EFFECT OF ADJUSTABLE TRIGGERS ON P320 SAFETY

[@dollarbillme]

That 3D printed cut away slide is amazing, thanks for making these videos

[@SIGMECHANICS]

My absolute pleasure, thanks for watching!

[@02BLACKTAWS6]

Most underrated channel on YT. This was extremely informative and very well presented. Thank you.

[@ronmartblog]

agreed- I’d love to have this kind of info on more of my 9mm’s - phenomenal work

[@user-sb8rv4ke6w]

Dude, your channel is just amazing. The clear explanations, the visual demonstrations that go along with them, the production quality.... just wow!

[@SIGMECHANICS]

I really appreciate that! I enjoy making these for the community. I only wish I could make more and make them more often. A single video could take up to 100 hours (for the longer ones) from planning and filming to editing and processing. But it always feels worthwhile when I get a message like yours! Thanks for watching!!

[@user-sb8rv4ke6w]

​@@SIGMECHANICS Yeah, but those hours of planning really show, I mean it. I don't think any other channel comes close to your quality. As someone from a country where modifying firearms can only be done legally by a certified gunsmith and where only very limited ressources are available on small arms technology, these videos have given me a way more in depth understanding of my own firearms.

[@pew_stuff]

Once again, great content!! I’ve been telling people all along that removing the pretravel deletes the striker safety and this video articulates that concern perfectly. There is a simple fix for folks who want to eliminate pretravel and retain the striker safety feature…. The Apex forward set trigger bar. I believe you did a video on that a year ago. You should do a video with that trigger bar and your 3d printed slide to demonstrate how pretravel is eliminated but safety is retained.

[@SIGMECHANICS]

Excellent idea. I’ll definitely add that to my list for upcoming videos!

[@SouthValleyKnifeCo]

I definitely think there is valid concern, but I also think there is a fine line of there you can remove some of the take up without affecting the internal safety like discussed there is a dead space there which is about a half turns worth of travel

[@The-BCC]

The Lord of P320/365, speaks again. And it was good!

[@carboss]

Great video. As an engineer I really appreciate your thorough explanation and visuals.

[@stovepipe8966]

Thank so much for these videos. I compete with P320’s and have 10’s of thousands of completely reliable rounds thru my un- modified FCU’s. I asked my gunsmith , who also competes with a Max , if I should investigate trigger mods and he simply told me not to bother . Once broken in , my P320 Max triggers have a crisp break at 3.5 lbs .The difference is all in the striker assembly . I can take a well used striker , put it in a slide with an unused FCU that is “mushy” with a new striker and it will be then be crisp. I’m assuming that’s just due to the polishing thru use of the sear and trigger bar interface and spring wear. Therefore , as anyone who wants to be proficient with a firearm should be firing a lot of rounds , the triggers will get to where you need them to be . Speed in pistol matches is all in the dead time between shooting and scoring splits are not required to be nor should be blazing fast. I feel this is a safe stock platform if you simply don’t pull the trigger when not intended .

[@jbsack]

You produce the absolute best technical videos in the field on the internet. Thanks for all the hard work. Very much appreciated

[@SIGMECHANICS]

Thank you very much! Thanks for watching!!

[@joeszeto310]

Incredible video. The amount of detail and effort you put into it were simply amazing. Subscribed! Now I’m going through all the other videos. My new destination for technical Sig content!!!

[@SIGMECHANICS]

Thank you!

[@540PewPew]

Great video bro , Merry Christmas also! I use the MC in a LO p320 and Keres Pro in my P320 open gun. To fix this issue , just remove some material on the bottom of the striker safety arm so when the trigger is adjusted it does not lift the arm out of the way until the trigger is fully depressed . Keep up the great work and informative videos !

[@bikeracerdude]

Always great content by Sig Mechanics.

[@hopewilliams6705]

Absolutely amazing video I have explored this myself!

[@captainshaq]

One of the best pieces of content I've seen in a while on YT. Well researched, prepared and presented. I wish other content creators take this as a great example of quality content standards. Keep up the great work, I will follow for sure!

[@SIGMECHANICS]

Thank you! I’m glad I could earn your subscription!!

[@randychew9400]

Thanks!

[@joshuabracke5775]

Interestingly, aftermarket Glock triggers have similar effects once you start eliminating takeup. The relative starting position of the trigger at rest is what affects the trigger bar's position on the firing pin safety and in the drop safe ledge. Once you continue adding take up reduction to a certain point, you are able to move the trigger bar past the drop safe ledge while the trigger is at rest, causing an unsafe condition. I agree completely this should never be done on a carry gun. Interestingly, I've compared a stock trigger and Overwatch precision trigger bar position and they are the same. I generally recommend those as suitable replacements as all safeties are functional. Anyhow, merry Christmas from my family to yours Edmund! Cheers!

[@SIGMECHANICS]

Thank you, merry Christmas to you and yours as well!

[@ShotPlacement]

Excellent video, and I can't thank you enough for putting this out there. One suggestion to help give people a real world example of the danger would be to overtune the travel, assemble the gun, chamber a unloaded yet primed casing, and then drop the gun muzzle first onto concrete from a few feet off the ground. Would make for a powerful visual for people to understand the danger. Very important thing to understand not only for someone carrying a gun for CCW or duty but also for competitive shooters to understand. People drop loaded guns on occasion.

[@SIGMECHANICS]

The only issue I’d have with that is it does not go off during that test, it might give a false sense of security that 50% of the safety is “good enough”. I 100% agree with you in how the chance of dropping a gun exponentially increases in stressful situations. My personal opinion is that any loss of safety is unacceptable and due to how amazing the trigger is BECAUSE of the shorter travel in the P320, I’d warn anyone to modify it enough to alter any of it.

[@richardfiegen7378]

You've got the best videos. So informative.

[@SIGMECHANICS]

Thank you!

[@Shootfstr1]

Great video!! I have done extensive trigger work on 320s. And I must say after watching this video I am now less inclined to do any work through an adjustable trigger. I’m looking forward to your solution.

[@BigAnt392]

thanks for the christmas present

[@SIGMECHANICS]

HO HO HO!

[@Tito_Soto]

Just what I wanted for Christmas, some more knowledge to geek out on via this channel! Thank you for covering this. Merry Christmas to you and yours! 🇺🇲

[@SIGMECHANICS]

Thank you! Merry Christmas to you and your family as well.

[@suddendilemma5137]

Love this channel. I’d love to see other manufacturers. See how HK, Glock and s&w does their safety/fire control. Your content really is best gun information on KZbin.

[@SIGMECHANICS]

Thank you!

[@suddendilemma5137]

@ no thank you. Learned a lot. Also on the wait list for your version 2.0. 👍🏼

[@johnstewart2011]

Another amazingly informative effort, and which I believe could have significant consequences for the recurring claims that P320 pistols sometimes discharge without the trigger’s being pulled. Whenever I’ve participated in discussions about such claims I immediately point out that the safety lock prevents striker protrusion through the breech face unless the trigger is pulled to raise the safety lock from its blocking position. If, however, tuning the trigger moves the safety lock out of its normal blocking position, that significantly compromises the safety design of the pistol. Although you clearly state that you haven’t determined whether improper tuning of the adjustable trigger can reduce the sear engagement in addition to affecting the position of the safety lock, that certainly seems likely. Without the safety lock’s protection, anything such as the right sort of impact that caused the striker to be disengaged from the sear would cause an unintended discharge. I can now only wonder how many of the supposed self-discharge incidents have involved adjustable triggers.

[@SkipsGunz]

Everyone should really pay attention to this guy’s information. Putting the sig shooting itself to shame

[@TexJJN]

Just happened upon this video and WOW what great content. I’ll be sharing with colleagues where I train. Looking forward to learning more. Merry Christmas to you!

[@SIGMECHANICS]

Thank you, that’s very kind of you to say! Merry Christmas to you and your family as well!

[@ErikS308]

Off, to put more pre travel into my AC trigger. Great video.

[@deucedeuce1572]

Great video topic. Cant wait to watch. I think that if a man owns a gun, he has the right and Duty to know precisely how that gun functions and to KNOW that it is in safe, working condition (which he cannot do without understanding how it works). I think I already know the answer to the initial question, but I'd still really like to see just exactly how much it takes to disengage that safety and also to cause the sear to become unstable/unsafe. Reading up on the specifics of the lawsuits was good research on the mechanics of these guns and was good evidence on why the owners/operators were at fault for their "accidental discharges" that they tried to blame on the gun and its design.

[@SIGMECHANICS]

It is definitely an interesting find. Let me know your thoughts once you get a chance to watch it.

[@ryanburbridge]

What amazes me is the complete lack of self promotion. Literally just trying to provide the most scientific based information to promote information itself. This guy is an ensample we could all benefit by mimicking. Now if we could get him to show theoretical switch options for when mounds of dirt need the fastest dose of acute lead poisoning.

[@SIGMECHANICS]

I’m not confirming or denying that I’ve played with theoretical things like that or that I’ve successfully made any findings to that end. Although even if I did it would be hard for me to share that sort of information. In any case, thank you for the kind words!

[@gasaxe6056]

Great explanation.

[@TheReal_Dan]

Great video! I just bought an adjustable trigger and I didn’t fully realize this is how it worked! So great knowledge to have. Could you do a follow up video to include how a tuning kit and changing striker springs, sear springs, trigger bar return spring etc. can affect safety as well. I would be very interested to see those results.

[@SIGMECHANICS]

I am planning on doing something similar to this request. Specifically what you’re asking for might require specialized equipment, but I’m definitely going to look into the requirements and see if I can do that for you.

[@TheReal_Dan]

@@SIGMECHANICS Thank you! I really appreciate the level of detail you put into your videos and the way you explain the mechanics of the gun. You break it down to where it makes sense, not to mention 3D printing a slide to show how it works even further is badass!

[@TSC1TV]

This was very good. Thank you.

[@SIGMECHANICS]

Thank you!

[@yoshenticity2964]

very nice video! and looking forward to your safe pre-travel solution. merry christmas

[@SIGMECHANICS]

Merry Christmas!

[@majorjakes3144]

I find this channel to be one of the most informative channels on SIG mechanics. I have a question for you. How does the manual safety on a P320 function?. You showed that very clearly on the P365 but not on the P320. I'd really like to see it works on the P320. How does the manual safety actually make the gun safe?

[@SIGMECHANICS]

This exact topic will be the focus of my next video, lots of people ask me this and I feel it’s time to provide subscribers with a definitive answer since it will help people really understand their P320 and feel more comfortable with it.

[@AquaBoogie2]

Please post soon. Shouldn’t the manual safety resolve the issue to some degree?

[@SIGMECHANICS]

@AquaBoogie2 keep in mind that the issue caused by the adjustable triggers is user error, the MS would stop the trigger from moving back far enough to discharge, but internally you’d still be defeating the safety even if you can’t discharge.

[@velocitasfortis]

A bit late to the party, but this could be resolved with modified geometry of the trigger bar where it engages the safety release. Increasing the gap by removing a small amount of material from that specific section of the trigger bar would delay the raising of the safety tab to later in the pull, meaning the safety tab will stay fully engaged until the trigger bar is closer to engaging the sear release. The exact amount of material removal/geometry change is up to the people who are looking for this kind of adjustment, but that's the basic solution. Sig erred on the side of ensuring the safety is well clear of the striker by the time the sear disengages, ensuring that the striker does its thing if the trigger is being actuated at all (e.g. you've got your finger on there). Or a fully custom trigger bar. Either way. The ramp geometry for the internal safety, in relation to the sear release geometry, is what matters.

[@jimsragetogm-uspsa4151]

Your videos are always great!

[@GeneralHurcane]

6:31 is that an example of the grey guns adjustable trigger housing?

[@SIGMECHANICS]

Yes.

[@Motodad32]

Great video! I would like to see this exact test done with the apex trigger bar for comparison. Merry Christmas

[@SIGMECHANICS]

I spoke with Apex about this and they also asked the same question, I will definitely try it out. I don’t think their trigger bar will cause a problem because the design makes it so the front leading edge is longer instead of the rear side.

[@lseguias]

Ingenious and Illustrative video….hoping that your research improves SigSauer trigger function (lesser pre travel distance, lesser creep and shorter reset) without compromising safety.

[@ronmartblog]

Thanks for another amazing video Edmund! Our range had its first incident in 91 years where someone shot themselves when holstering. Sadly it was with a P320 and was due to his shirt getting caught up in the trigger well which created resistance which allegedly led to him using a more forceful push which discharged the firearm into his leg. Given the fact it was a competition, I wondered if an adjustable trigger may have exacerbated the problem. In this case, it seems like the default give would have been helpful but it’s hard to say it would have been enough to prevent this unfortunate event. I wonder how many other cases of P320 NDs are induced this way via using incorrect holsters, garments coming into play and adjustments to the pre-travel.

[@SIGMECHANICS]

Yikes that’s horrible, I hope he’s okay. It’s hard to imagine that if the person had an adjustable trigger at the time that it didn’t at least in a small way have something to do with the end result. It’s great having the trigger right at the wall, but the cost in my opinion is way too high.

[@ronmartblog]

@@SIGMECHANICS yes he has a very damaged leg and foot, but is alive and recovering. All this makes me appreciate that take up in my X5 Legion that I’ve holstered thousands of times in my Werx holster.

[@cheby6619]

Amazing video. Thank you sir for making it.

[@מנדיוולפא]

amazing video! Any news on the potential solution you said you're working on to fix this problem? Thanks

[@SIGMECHANICS]

First prototypes will be ready soon. I’ll let you know once testing is complete and production can start.

[@מנדיוולפא]

@SIGMECHANICS thanks! Good luck

[@bandito85fx]

Edmund, great video. May I suggest you get a pocket comparator. You can measure your scribe lines with more accuracy. 15x magnification you can change reticle to suit what you’re measuring. Angle,length or radius. MSC. ✌️

[@SIGMECHANICS]

Excellent suggestion! Thanks!!

[@yoavamit8086]

Great video, but I'm not sure I agree with the conclusion (specifically the quantative representation of safety loss). Let's first define what the safety is supposed to prevent - the sears or striker losing their grip of one another, for some reason (sears breaking?), having an extra "steel blocker" to prevent the striker moving forward. If we agree to that, I would say that there is NO safety removed as long as there is still a steel component blocking the striker moving forward (even if the thickness of that steal is 0.1mm, it is still steel preventing something moving forward). You could say that different mechanics means that there could be natural movement of the safety in the 0.1mm, making it unsafe. But in that case, I would say the quantative is basically either 0% or 100% - either moving the safety up puts the thickness left in the area of natural movement, or it doesn't. Defining "50%" is arbitrary if the thickness left is still outside any reasonable movement the safety might have.

[@CalzaTheFox]

Well done on the 3D shell to visualize operation. Cutaways are so cool. That said, it's pretty clear that the safety of the 320 is okay at best when not modified, but because it lacks safeties inherent to other guns, even innocuous tweaks like pre-travel make the 320 even less safe. That's concerning. I fully believe what SIG said about the recent police video and accidental discharge - something has to be pressing the trigger to make it go off. That said, your videos have made it very clear not much pressure is needed to disengage the internal safeties. Competition guns are even higher risk. To my understanding, the manual safety model of the FCU, and Agency's trigger dingus are the only two remedies to prevent the current form of accidental, or uncommanded discharges. What're your thoughts? I'd love to hear if you know of other alternatives or options for those that like shooting 320s, but prefer them to stay under control. 😏

[@OnyxData]

Great video and demonstration. Is it possible to get a copy of the cutaway 3D print file?

[@SIGMECHANICS]

I’m not sure if I still have the file, I’ll take a look again. Out of curiosity though, what would you use it for?

[@OnyxData]

@@SIGMECHANICS would like to measure my adjustments to visually view & determine how far my safety bar is from complete disengagement on my competition pistol.

[@JoMamasHouse]

Makes me wonder if the incidents with 320’s going bang had modified triggers and an internal failure.

[@SIGMECHANICS]

I would like to believe that the police officers had un-modified triggers. However, even if the did, the trigger would still have to be pulled far enough to actually discharge.

[@christianmiranda23]

So, couldnt this problem be remedied by removing material from the safety lever where it touches the lock lever? In doing so, it allows the safety lever to rest low enough that there is no safety delete while allowing the trigger bar to come far enough forward to touch the sear?

[@SIGMECHANICS]

The key would be to keep the radius very consistent to what’s existing. Theoretically though, yes!

[@esjani]

Amazing what you do for the SIG Community. I am an active IDPA competitor, and recently switched to a SIG P320 Spectre Comp. My wife has a Walther Q5 Match Expert which came with a label, the it has a sporting trigger where the drop safety is compromised. I fully understand how and what the adjustable trigger does now based on your video, but how do you rate it when it is really only used for competition?

[@SIGMECHANICS]

In stressful situations like defence or competition it will probably come down to the proficiency of the operator. Bad habits and inexperience could definitely compound problems that lead to ADs. However, even at 50% loss, you still do have safety left to go… not ideal but at least it’s present. The trigger results however are also VERY impressive, I would not be able to rate it being how subjective that is, but when I look at the data from the trigger video I made, you can clearly see where the adjustable triggers are better.

[@esjani]

@@SIGMECHANICS Thank you!

[@edishergiorgadze4413]

Great video, THANKS!!!

[@EliteNoire]

Hello! Great channel and videos. New Sub! Do you have an update on the adjustable trigger's safety tune you were speaking about at the end of the video? Also, I'm looked to get down to a approximately a 3# trigger pull with minimal over travel. After looking at your video on AN ANALYSIS OF EVERY P320 TRIGGER...EVER, I'm left with even more questions..... 🙂 Bottom line, what combination of part should I use to achieve my goal? Thank you!

[@SIGMECHANICS]

Hello! Yes and no, I am just about to release a new line of ultra high-quality CNC’d OEM lower parts for the P320 in a few months. After that release I will go back to finish the adjustable trigger tuning safety parts. On your other question, it would be very hard to give you the combination since I did not test the combinations on my set up. I have always wanted to and I might just do a live video stream one day where people can ask me to try certain combinations. I feel like that would be a fun project.

[@EliteNoire]

@@SIGMECHANICS Super! Thank you for the follow up email.

[@SouthValleyKnifeCo]

You should sell those cut away slides to people

[@garymccausland1272]

I'm extremely impressed with all of your videos, but this one is the best yet. In this video you pin point on the subject of trigger/safety interaction but if you take a wider view it's obvious that the P320 cannot discharge without pulling the trigger. BUT!!! what is the possibility of the striker block failing?

[@SIGMECHANICS]

I’ve not heard of anyone with that particular issue yet, I suppose if I made a jig that can put the lock tab spring through tens of thousands of cycles I could find at what point the metal fatigue will kick in. But even then, I’d have to verify if that could lead to an AD since other things need to go wrong.

[@Ajibica117]

Could a tuner spec striker safety be made to adjust the point of rotation so that the striker was fully impeded until just before the sear released?

[@SIGMECHANICS]

As in create a striker that you can adjust the safety “on the go”?

[@Ajibica117]

@@SIGMECHANICS something to that effect an oversized lever designed to be filed or perhaps prefit inserts to a more reasonable level of contact on the striker

[@armastiros]

Excellent video

[@SIGMECHANICS]

Thank you!

[@WDLC1911]

Not (quite) related but striker-fired pistols could benefit from a properly executed external safety (M17/M18) or a Striker Control Device (Glock and now CZ P-10)

[@Shootfstr1]

Just a thought, but wouldn’t taking material off of the bottom of the safety lever on the striker prevent early disengagement of the striker safety? I believe in the video you do mention that it goes substantially higher than what is needed to disengage the striker. Please correct me if I’m wrong.

[@SIGMECHANICS]

No you’re correct. There are some geometric things to consider but both and either/or those options would work!

[@karimmanassa9634]

Amazing video as always! One question: on a factory non-adjustable trigger, when we take up the slack to the “wall” is the striker safety fully disengaged at that point?

[@SIGMECHANICS]

Thank you! No, the slack at that point would remove the small gap between the safety lever and striker lock lever. I made a video where I tested every single P320 trigger ever made and in that video you can see a graph for each trigger that will show you the play of the trigger. Here’s the link: AN ANALYSIS OF EVERY P320 TRIGGER...EVER kzbin.info/www/bejne/qaCWk2uAja93osk

[@chaosworldwideco]

Greyguns and Sig Armorer have modified sears, how does that effect safety? Greyguns website says with modified sear, it should only be used on range or in competition. Sounds like safety may be affected? This video was great. I want to get rid of some of the creep in my trigger but don't want to mess with safety mechanisms. Apex trigger bar removes .036" of travel according to your video. Maybe that should be my route.

[@SIGMECHANICS]

The modified sears help remove creep (or the feeling of it), it essentially has them shave off a bit of material at the sear’s ledge. In the grand scheme of things, it’s not enough to make it fail, but liability probably dictates the statement about “competition use only”. So long as your not tuning the trigger to remove take up (like with the adjustable trigger) you would technically be fine. Apex being a great option.

[@sherizaahd]

I've been watching your content after hearing about the Sig ruling against out of Mass. It seems like there are a lot of internal safeties on these, despite the court ruling that the design is inherently dangerous owing to a lack of external safety, like the trigger blade safety of a Glock. I've also heard a bit about some people who have had seemingly hands-free NDs where SIG said it was a defective Firing pin return spring. Seems like the return spring wouldn't be able to push the striker thru the striker safety if it weren't disengaged though. maybe I'm wrong though.

[@SIGMECHANICS]

I believe a lot of the data out there is not coming from people reading from court documents. For the most part I believe it’s just “bad news is more entertaining than good” and so that is what people promote on things like KZbin as it gets more clicks. The truth is as unfortunate as it may be, these triggers are being pulled sufficiently to disengage safety, and even more so to the point where the sear drops enough to disengage the striker. As far as the return spring goes, it’s funny you mentioned that because that particular spring is something that Sig had discontinued in around 2020-ish due to the fact that it is redundant. The striker will reset itself after a discharge, and once the slide makes the return lock position. It will not have any effect on causing a negligent discharge. Most of what you see on this channel allows people to visually understand the internal components and their mechanical interactions. Beyond my own testing and purely on the engineering alone, I do not think any of those discharges occurred without a trigger pull. Even if the operator did not touch the trigger, something else had replicated a trigger pull, either an article of clothing or an accidental touch of the trigger to a holster or other object. That being said, you should only use and carry what you feel comfortable with, as I don’t intend to particularly sway viewers one way or another, only provide the data to help them come up with an opinion of their own.

[@sherizaahd]

@@SIGMECHANICS Thanks for the detailed response! I love the videos and hope you continue them.

[@Ballistikpapa]

Can anyone tell me why you are not supposed to use the dual adjustable armorycraft trigger with the apex trigger bar?

[@SIGMECHANICS]

It’s not that you cannot, it’s just that since the Apex has a design that already tightens the gap between the trigger bar and sear, then the adjustable trigger is barely going to be tuned before you hit that wall. Here’s a video to break down the apex design (lots of 3D models). Let me know what you think. kzbin.info/www/bejne/qqjKoolqbs5llZosi=tRcU4KCTvmDi8IFN

[@Jake64823]

According to TacticalTriggers, the 576 stamped trigger bar engages the safety later in the travel. Can you do this test with an earlier model trigger bar?

[@SIGMECHANICS]

I’ll look into this, but I would probably need a few trigger bars on hand to be able to have a proper sample size. I’ve never heard of this but it sounds interesting.

[@jbays6125]

Merry Christmas! Thanks for a great video. So I was wondering if they could just make the sticker safety with a bigger ledge since there seems to plenty of room for movement you would not lose the safety factor or would that negate the enhanced trigger ? Like the added 3d printed slide to this video.

[@SIGMECHANICS]

Merry Christmas to you and your family! I believe making a larger/taller ledge might lead to instances where the P320 might not fully lift the lever all the way. Each trigger system SLIGHTLY varies due to manufacturing, the chosen ledge height was probably engineered as an “average” dimension that “just works”. This is however just an opinion as I don’t have the data on hand.

[@casrabbit12]

Theoretically, what if the trigger bar that engages the striker safety was thinner so it had to travel more distance to disengage the safety? Then you could adjust the take up out, and only then would the bar be making contact with the safety.

[@SIGMECHANICS]

It’s definitely possible and I’ve been playing with that concept as well as a few others.

[@ModdedProfessor]

Noticed once you start playing with pretravel screw manual safety starts getting stiff and crunchy. I have mine before it gets to that so about 2-3cms unlike others who have theres down to 2mms

[@SIGMECHANICS]

The MS works by creating a stop on the trigger bar from moving. By pulling the trigger, you are essentially pulling the trigger bar slightly forward if you were too adjust pre-travel, it is essentially the same thing as pulling the trigger. Therefore, there is a correlation between setting the pre-travel screw, and the position of the trigger bar. That being said, it’s very possible that by moving the trigger bar, you are not allowing the manual safety lever to drop down into the cavity of the trigger bar the way it needs to for a smooth transition. This is just a theory, of course as I haven’t Particularly tested this issue.

[@ModdedProfessor]

@SIGMECHANICS another thing that I've noticed people are also removing the double sear spring and running only one spring. Thats sketch but there guns run flawless

[@not_your_business666]

Thank you so much!

[@RicksyFPS]

Would using an apex bar with one of these adjustable such as the keres comp be beneficial for the feel and safety of the p320? I’m in the process of modifying mine and I’m trying to get it as light and crisp as possible while maintaining safety margins

[@SIGMECHANICS]

It’s possible the Apex will help correct/offset the effect of the adjustable trigger but I have not checked into this yet.

[@ryanburbridge]

Two new videos!!! Ahhh.

[@slowslowslowrobot]

Is it possible for a normal user without the 3d printed slide rig you made to adjust the pretravel to the point that it just barely makes initial contact with the lock lever? I.e., the maximum adjustment point with 0% safety loss if I understand your video correctly? Would you consider making your model of the slide rig available? Thanks!

[@mrrobot-jo1tu]

Hi did you release that new trigger yet?

[@SIGMECHANICS]

Not yet, the triggers are in design now and will probably take some time before they come out as I have to manufacture prototypes and test. I will however keep everyone up-to-date as I get closer to that stuff.

[@mrrobot-jo1tu]

@@SIGMECHANICS I’m excited to see what type of concept you found as a work around to not affect the take up.

[@smokeone4427]

Is there a reason why the p320 trigger wobbles and has play from side to side

[@SIGMECHANICS]

The trigger is not a press fit part. It slip fits to the FCU frame but the wiggle will not affect the operation.

[@smokeone4427]

When I remove the fcu from the frame the trigger always falls out i just changed to a xcarry frame and had this issue when I notice the wobble , is it common for it to fall out during removal only trigger

[@lawless911sc]

Somewhere buried in this video is why all SIGs need to be recalled.

[@SIGMECHANICS]

I haven't heard anyone specifically say the issue was caused by a modded trigger. Though to date no one has been able to replicate a P320 firing un-commanded. My personal opinion is there is no issue and the "problems" are due to operator error.

[@RicksyFPS]

From these charts, it looks like the keres pro comp is one of the top performers, but in your testing is shows the centurion is about 1lb lighter of a pull. What is your opinion on which of those two perform/feel better? I’m looking to get one or the other to compare against the empire and tyrant I have

[@SIGMECHANICS]

I don’t often use aftermarket parts, but I recall the centurion being my favourite out of those two options. However, I also recently did a video about adjustable triggers that I recommend you watch before tuning the trigger.

[@RicksyFPS]

which video is that?@@SIGMECHANICS

[@RicksyFPS]

also, out of all these shoes which is your favorite? I have a few but im looking to try a few more.

[@tonicipriani]

Is this the reason why some triggers come with a 3D-Printed piece for you to adjust the travel, so you don't overdo the reduction?

[@SIGMECHANICS]

The only one I know that has the 3D printed part is the MCARBO, they just do that to shorten over-travel, but will not do much for take up (that one does also have a pre-travel adjustment which DOES improve take-up). As far as the printer part goes though, it only affects over-travel and shorten trigger travel because of that.

[@richbailey352]

Would I be able to buy a 3D beak away slide from you? I am a 320 armorer

[@SIGMECHANICS]

Shoot me an email at [e-mail] and Iet me know what you need. I’ll see if I can accommodate.

[@PatrickHenry-t1s]

I bet this is exactly why the p320s are going off, people are adjusting out the take up even post fix.

[@SIGMECHANICS]

It’s possible but from my understanding people claim that’s happening on stock P320s. Regardless, no one has proved the claim yet so ultimately I believe the trigger is just being pulled by accident.

[@Turboy65]

I just have to say that when looking at all the mechanical parts in the firing mechanism of the P320, and then looking at the mechanism parts of a 1911, that the Sig appears to be made of lightly constructed parts that I DO NOT expect to have the operational service life of 1911 parts, which are comparatively all larger, more robust, and part of a simpler, tougher mechanism. I have an M17 and it's a good gun...but all of my 1911s will outlast it, even my oldest which is already 106 years old and still functions like new. The firing pin assembly in the 320 looks comically small and fragile.

[@BigAnt392]

king

[@DR-br5gb]

To summarize: Don't fuck with your trigger.

[@grooutube]

does anyone make an adjustable trigger with a trigger safety (like a glock)?

[@SIGMECHANICS]

Not that I know of. Agency has one with the “dingus”, but it’s not adjustable.

[@sp192x]

I have a 320 legion X5 that has trigger mods and had a ND last year going into the holster

[@SIGMECHANICS]

Yikes! What happened exactly? (If you don’t mind sharing)

[@sp192x]

​@@SIGMECHANICS 2 years ago this month. Armory kraft adjustable flat trigger and grays guns Internals. Going into the holster and the gun went off. Blew the keys out of my pants pocket but never touched me. I could send pics over an email. Steve

[@sp192x]

​@@SIGMECHANICS really like your content thank you

[@Soravia]

Easy fix, shave down the striker safety lift action.

[@JustinRCutler]

Your math at 16:10 is nonsensical (even if you eventually state the correct answer). 0.03"/0.06" = 0.5 (no units, as this is 50%)

[@SIGMECHANICS]

Good catch, thanks! I’ll see if I can make the change within KZbin (though they have limited ways of editing once the video is out). Thanks again!

[@JustinRCutler]

Other than that, it was a great video. Of course, you did make me go and double check the custom trigger job on my M18...

[@myfavoritemartian1]

I don't believe in them for carry/social guns. The more factory your gun looks and operates, the better it will be on you in front of a jury. My P320 has a decent trigger pull to start with. Short take up, crisp striker drop with a small over travel at 4.5# Nothing to scream Modified Gun!

[@LyleH-13]

on a hammer fired gun i look at is as acceptable but on a strike, no way im adjusting pretravel AT ALL.

[@Soravia]

I don't believe in OE SIG MIM trigger for carry 😂

[@myfavoritemartian1]

@@Soravia I have an aftermarket nonadjustable flat trigger that looks stock but is superior to the SIG trigger in feel. My whole point is that my gun looks factory and whatever I did to it is invisible.

[@Mateo31279]

What aftermarket trigger would that be?​@@myfavoritemartian1

[@myfavoritemartian1]

@@Mateo31279Apex non-adjustable, flat trigger. No markings on it and the color matches the Sig triggers. $65 or so.

[@joshuabaker5712]

I thought this was obvious.

[@LyleH-13]

I love how much shade Armory Craft has thrown at Grayguns because armory craft has was so proud of their "beating" the other guys to market with a fully adjustable trigger Grayguns wins every time I just dont and never will trust Armory Craft.

[@TheRealDealAirsoft]

sig is the most lethal and unrelaible company that puts all their money into marketing vs making a good product , theres a never ending list of issues that keep occuring and keep getting created. endless list of problems for years and years. new guns new problems

[@SIGMECHANICS]

I’m not sure if you understood that this video is in regards to the impact adjustable after martlet trigger have on the gun, not that the P320 had an inherent problem with it. It’s really a great platform!

[@abolishtheatfandrepealthenfa]

Fantastic video