Tisas B9R DS: Investigating the Low POI

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[@granddad-mv5ef]

It sort of pains me to think the slide machining is off, but that was my suspicion from the outset. Really, the first shot with the Cyelee proved it. Thank you for your effort in solving this issue.

[@hrfunk]

My pleasure. As an FYI, the folks at SDS are already working on this issue. It should be corrected in future production models.

[@seanoneil277]

Exactly what I thought also, slide milled with an elevation cant. I have a Thompson/Center T/CR 22 with a 20moa tilt in its 1911 rail, I ran out of elevation in the optic I installed. Used Burris Pro rings to reverse the cant and get my elevation adjustment back.

[@DT-lr2bi]

Smart😊

[@blainecolbry3192]

I believe I can see that the elevation of the milling is different front to back on the Tisas. If you eyeball the top of the slide serrations with the bottom of the milled channel, you can see it. Just a few thousands of an inch will make a big difference at 25 yds. Looks like you have a fix for it, but Tisas needs to address this if there is a milling error.

[@hrfunk]

Agreed. The pistol in the video is an early production model. That issue should be corrected in future models.

[@Stoney_AKA_James]

I saw that as well

[@barrykennedy9947]

Needs a recall.

[@kdcowboy9478]

I fell off my seat when I saw the Cyelee optic on the pistol. I've been waiting for you to look at one of these cost effective optics for awhile. Thanks for the video.

[@hrfunk]

You're welcome. Watch for the review of that sight coming soon.

[@trolling4attention]

Sir I had that exact same issue and this video was a BIG help thank you!! Another tip is swapping the springs for Wilson springs. Took the pull down to 3.12lbs and the safety is more positive. Fifteen dollar upgrade

[@TheGunfighter45acp]

Interesting results; well done! It's good to hear Tisas is working on a solution, too. Do you have a small level in your shop? The bubble never lies. 👍👍

[@hrfunk]

Unfortunately I don't have one small enough to fit in that cutout.

[@TheGunfighter45acp]

@@hrfunk 👍

[@pgg0024]

I'm glad to hear you are thinking of keeping the pistol

[@michaell397]

Sir, here is the issue and how it is corrected. Manufacturers and machine shops not familiar with optics on a 1911/2011 only learn this after it is learned the hard way. Me included when hard fitting optics to 1911's. In the 1911 platform the barrel is in the slide at an angle. It is higher at the barrel hood than the muzzle. It is simply the way a 1911 locks up. Some are higher in the hood than others which gives the barrel a slight angle downward from rear of barrel to muzzle. Most machinist will index the cut level with the top of the slide. This makes the plain of sight in the optic barrel with the slide not the barrel. And angle finder has to be used on the actual barrel hood to fin d the difference in the angle of the slide and barrel nested in the slide when locked up. Once this angle id found, add two to 3 more degrees to the cut which will give more adjustment to the optic for longer ranges is desired. ;

[@hrfunk]

Thanks for the info!

[@michaell397]

@@hrfunk I noticed that on this particular pistol, you can visually see the difference in angle by looking at the muzzle and the end of the slide where it protrudes. The difference in angle is very visual. KnifeMaker

[@hrfunk]

Fortunately, I was able to correct my point of impact simply by switching optics. Others are accomplishing the same thing with a shim. Tisas is aware of the issue and they assure me that their engineers are working to resolve it. Since these pistols have only been out for a few weeks, I suspect we will see this corrected in future production runs.

[@michaell397]

@@hrfunk ;

[@roberth7580]

Congratulations on the success of your investigation!

[@davidwoolard1264]

I had the same problem with a vortex. UM tactical delron optic shim fixed it.

[@johnherr3579]

Good morning HR. I had the same problem with a Holosun 507 on my Masada. It zeroed with the red dot maxed out on elevation. But the suppressor height iron sights also hit low. I have to split the white dot on the front with the top of the rear sight to hit point of aim. Maybe a couple of whacks with a big hammer would settle the sight lower on the slide.😂

[@brandonedwards1057]

507K-X2 on my Glock 48 MOS zeroed at 25Y no problem...🤷🏾‍♂️

[@msgt1942]

​@brandonedwards1057 your post absolutely added nothing to the conversation restrain yourself in the future it only wastes people time and mocks people with issues.

[@brandonedwards1057]

@@msgt1942 OR...maybe I was just reporting my experiences with the same optic. Possibly, letting others know that someone using the same optic on a different gun had no issues and that it may not be an optic issue...which DOES add to the conversation. But thanks for playing...

[@philipdennis-rh7uj]

Always a pleasure to hear your reviews. Your attention and attitude to detail make it a educational experience and I appreciate your adult language throughout

[@hrfunk]

Thank you!

[@tthomp57]

Hey Funk, I really enjoy your videos. I bought a Tisas 9 DS a few months ago. I had similar issues and got it shooting a WHOLE lot better by spending some $ to get it accurized by a gunsmith. Not only did it raise the POI by about 3" but cut the groups in half. And, now it feels sooo slick! Just FYI. It cost about $200 but well worth it.

[@charlesturney6332]

Been shooting for very long time,sir. My experience has been that heavy for caliber tend to shoot high. Enjoy your shows very much. Thank you.

[@hrfunk]

Typically I see the same thing, but it does seem to vary somewhat.

[@HSmith-uk9hl]

An added thought; when sighting in a pistol from the bench at 25 yards, I use an inexpensive pair of 10x25 binoculars that cost less than $20 to check where my bullets strike the target. Prevents having to walk back and forth so much. I keep them in my car.

[@hrfunk]

Yeah, I’ve got a pair of those, I just forgot to bring them. It was one of those days.

[@johnsurguy3845]

Thanks again staying with this pistol and trying to get a fix for the optic problem. I just got mine so the problem is still there if the engineers are just now working on it, and looking for a different optic is a viable option. I'll just stay with iron sights for the time being untill i hear of a better solution. Great video and info

[@HSmith-uk9hl]

I'm pleased that you've gotten your Tisas sighted in to your satisfaction. Almost two years ago I purchased a Tisas US Army "Blem" for $329. I sent it to Green Tick Tactical Solutions and they cut the slide specifically for a Holosun 507K optic and Ceracoated the slide for $165 total. It has worked perfectly with plenty of elevation adjustment remaining at 25 yards so I suspect, as you do, that the cut on your slide is slightly off. I also have several Cyelee optics including a Cat Pro 6 moa green dot that I mounted on my Canik CM9 and I've been very pleased with all of them. IMO and experience, Cyelee makes a very good optic at reasonable prices.

[@hrfunk]

Thanks for the info. So far, I’m pretty impressed with the Cyelee sight. I’ve got a full review coming soon on the Cat X Pro.

[@justflylow]

I watched someone mount a Holoson EPS Carry on this model Tisas. It was very tight from front to rear and needed a gentle tap for it to seat in place. No problems with zeroing after that.

[@DT-lr2bi]

Thanks Professor, good research and analysis. SF!

[@harryw_2023]

I had the same issue with the 507k and I ended up adding a shim I ordered off of Amazon to the rear of the optic and it still maxed out the elevation on the optic but I got it closer to zero.

[@bigshug3127]

That's crazy, I just found a similar issue with my beater fixed front sight on my 10.5. Always had a reddot, romeo5 always runs like a champ. Got a carry handle sight to make it into a retro build only to find at even 15yds I can't adjust either ring far enough, stops at about 5-6in from true zero. 😂

[@seanoneil277]

Excellent work hrfunk. The stand bosses can indeed be too tall for some of the 407k 507k optics, quite a few folks have found this on aftermarket adapter plates, reporting some delicate filing to lower the bosses. As an RDS fan I'm glad you and Tisas sorted this out. Thanks for the detective work documentation.

[@hrfunk]

My pleasure Sean. Thanks for watching!

[@franks2012channel]

I tried my Tisas 2011 at the range today. Using the Cyelee cat X Pro. . I was able to get it within 1" of dead zero but it was bottomed out in elevation. I was able to keep them all in the -0 area of an IDPA target but had to aim just a bit high for it to hit a 1" dot. I need it to be right on for those tight shots where I need precision so I guess I will add the shim I bought "just in case". I do love the gun, I have a Marine Raider and a 9mm Stingray from Tisas also.

[@hrfunk]

May I ask at what distance you were trying to zero?

[@franks2012channel]

@@hrfunk 15 yards

[@hrfunk]

I guess that’s why I was able to zero mine. I indexed POA/POI at 25 yards.

[@roykiefer7713]

Well, I was late to this presentation - forgive me - principally due to watching last night’s late NCAA Men’s Basketball Tournament game and then celebrating my other alma mater’s victory with many other Bklue Devils. This was a great video, I learned a lot, and Howard I especially admire the very logical and comprehensive ways in which you identified the likely SYSTEM fault. This is unfailingly the essential step in correcting the defect.

[@hrfunk]

Thanks Roy. I enjoy sorting these things out. Too often, people like to just declare something is defective, and then move on. Sometimes that’s the case. Other times a little investigation and a couple of tweaks will resolve the problem(s).

[@SteveHamlin1]

My 5" Tisas DS couldn't zero a Riton MPRD 2 red dot. Same issue as you - POI is lower than POA, and the optic ran out of elevation before it could zero. On the fairly-low-volume Tisas subreddit, there have been a handful number of reports about inability to zero red dots due to elevation issues. Same issue - the optic cut is too high at the front. There are plastic shims for exactly this purpose on Amazon ("red dot plastic shim"). I made a thin shim out of electrical tape - 6 layers was just right to allow my optic to zero on my pistol.

[@hrfunk]

I'm glad that shim worked for you.

[@Charles_ONeal]

Just looking at the cut on the slide it seems to be higher in the front. You can measure from the top of the slide at the front of the cut and then at the back of the cut. I can see it on the amount of radius difference on the side of the slide.

[@jamesdelong6401]

Very nice pistol. Yea, I'm sure they will get that clearance with the slide figured out.

[@kamikazekunze]

It appears the cut wasn’t milled flat or parallel to the bore. 😢

[@funkla65]

How tall is the rear sight relative to the front? Ideally, for the optic sight to be relatively centered in its adjustment range, the slope of the optics cut should run about parallel with the slope of the iron sights. Barrels in tilting barrel guns can be quite a bit out of parallel with the slide. In my Tanfoglio Witnesses, the barrel is nearly flat when unlocked, and sloped downward markedly when in battery.

[@funkla65]

...I'm seeing that 1 degree shims are available for the Shield footprint. Since 1 degree = 60 minutes, that'd probably fix your problem with the Holosun.

[@mikereinhardt4807]

Another informative and entertaining video HR. I would still think a mounting pad for an optic sight would be better designed so as not to have to use up all the vertical adjustments of a sight. Very interesting...

[@hrfunk]

Thanks. At this point, I’m well below the maximum elevation setting for the Cyelee sight so I’m not too concerned about it.

[@joshuacassada8264]

I tried mounting a Viridian RFX11 today and had a similar issue. The rear of dot was riding ever so high a sliver of daylight could been seen. It caused my shots to be low. I took it off and mounted a Swampfox Sentinel II. It's sits level, no gap. We will see how it does Sunday afternoon.

[@hrfunk]

Please let me know how it does.

[@joshuacassada8264]

@@hrfunk First 3 rounds were extremely low. After numerous elevation adjustments it came up to acceptable levels. Still hitting lower than I would ideally like but elevation is maxed. Shooting 115gr IWI hp @ 12yrds, trying to burn that up before trying 115gr and 147gr HOP poly. To be continued...

[@hrfunk]

Yep. That all sounds familiar. Keep the Cyelee sight in mind. They are pretty cheap.

[@drysori]

If you have to max out the setting of any sight, then something is wrong. Probably the machining of the slide. I believe the sight should be canted downward a little to compensate for the axis over the barrel, not upward.

[@hrfunk]

I think that’s true. Fortunately, in now well below the point where the Cyelee sight is maxed out.

[@hoffpbass]

True Detective episode. I still want one. Especially since I still use the iron sights 🎉

[@hrfunk]

I still like the pistol. I’m also happy now that I have an optic installed that I can use.

[@destroyingdadxx2274]

Cylee red dots are a great deal. I have a Calf V2.

[@libra7624]

just like 20 m.o.a rails on rifles that are slopped intentionally down, I think pistol bases should be the same accounting for the angle that meets the bore at 20-25 yards that is still a good flat trajectory for a 9 mm of that size going 950 to 1250 fps, it's the flattest zero for that velocity range

[@jay-vd6rt]

Excellent video,now I learned a few tips on sighting in red dots ,honestly I’m still better with irons but I’d like to have both options thanks.

[@hrfunk]

My pleasure. Thanks for watching Jay.

[@christopherweismann5753]

Great information. In watching your shots, it almost appears that the empty cases are deflecting off the optic upon ejection?!? That sight appears to have a hood similar to an SRO. If it hangs over the ejection port, it may make contact. I have the same pistol, and have mounted the Vortex Defender ccw. No issues with elevation or deflection.

[@hrfunk]

I haven’t noticed that, but I’ll watch for it. Thanks!

[@christopherweismann5753]

@@hrfunk when you are first sighting, the casings are landing on the table next to you. You can see one or two bounce off the hood. Nice shooting, BTW.

[@iggibars]

Having a good chunk of experiencing building my own 1911s, my own analysis is that this is definitely due to an "issue" with the slide cut. I have issue in quotes because it's hard to cut a slide on a mass-produced gun without it having matching issues between slide angle or barrel angle, especially 1911s that have locking barrels that tilt ever so slightly. I have a couple of Holosun 407c&k and 507c&k and a few Riton sights. It's worth mentioning that Tisas DID show off their new DS line with a Riton sight, and also did advertise those sights. This isn't my first gun to have reflex sight adjustment issues,. However, the level that the cut is off is a bit ridiculous in my opinion. Adjustments should only be needed on a sight to adjust for barrel to slide angle differences, not because the slide cut is totally off. This reeks of poor quality in my opinion, even though I really do like this DS. Also, this is a 100% issue due to slide cut. The front is cut higher than the rear. This is obvious if you measure from the top of sight to bottom of slide. The front cut area measures greater than the rear, and it actually fights against the barrels angle. 1911s traditionally have a barrel that ever so slightly angles downwards inside the slide once locked into place. The cut on this DS is angles upwards. Two apposing angles will undoubtedly cause adjustment issues. There are 3 ways to correct this. From cheapest to most expensive(depending on smith availability): 1. Add an angled shim. 2. Recut the sight cut. 3. Refit a new barrel bushing so barrel locks at a slightly higher angle. Since I have a 3d printer, I opted to 3d print my own shims. Has been working perfectly fine since. This is also one reason why I prefer 1911s with bull barrels- they alleviate a lot of these barrel-to-slide-to-sight cut problems.

[@Paladin1873]

It's probably a trick of the camera, but to me the optic's cut does not look parallel with the slide. One way to find out is to take the necessary precise measurements using either a dial or digital caliper. Place one jaw of the caliper against the top front of the mounting plate and the other jaw against the bottom of the slide. Check your reading. Now repeat this procedure at the rear of the slide, then move to the opposite side of the slide and repeat the process. The four measurements should all be identical. When measuring, make sure your caliper is always square with the slide and not tilting fore, aft, or sideways.

[@carlitosantiago4893]

HR, I assume you are going to wait until the manufacturer levels the sight cutout until you take permanent possession of the firearm. Great Video!

[@hrfunk]

Now that I have it sorted out with the Cylee optic, I’ll probably run with it for now. In the future maybe I’ll get a replacement slide one they correct the issue.

[@andrewmangum8391]

They either need to do a slide repair recall, send out new slides or issue refunds

[@hrfunk]

They could probably just publish some sort of an optic comparability list.

[@hughburgess7201]

How about a laser bore sighting cartridge.

[@user-op7et3qw8f]

Thanks great video … I have the Mac 9 and wondering is the same issue I have not shot it waiting to get an optic for it

[@hrfunk]

I believe the MAC9 has a different optic base.i have not heard of this issue with them.

[@danoneill2846]

Many Thanks !

[@hrfunk]

You’re welcome. Thanks for watching!

[@MichiGUNder]

Holoson eps carry works on this pistol

[@sleigh4019]

SDS has by miles the best customer service

[@brandonedwards1057]

HRF, sorry you had a lackluster experience with this pistol. The concept is well thought out, but the execution not so much. I'm addition to the optic mount issue, the accessory rail on the carry model is too short to accommodate many common weapon lights like the X300, TLR-1, TLR-7, etc. (The 5" model can fit those lights, though). The MAC9 DS (also by Tisas/SDS) seems to be a much better pistol for not much more money.

[@frankhinkle5772]

Whatever the problem is, I was still disappointed on the groups you shot. I think that you should be shooting slightly tighter and more consistent groups with this pistol & an optic. Maybe prove me wrong but shooting another pistol & optic inconsistently. I agree, this most likely is a problem with the machining of the slide cut for mounting the optic. But if an optic has the ability to adjust for 40 minutes of angle, that would typically be 20 up and 20 down, not 40 up. Thanks for the video. Even though I am not satisfied with the results, I like watching how you work your way through a shooting problem.

[@hrfunk]

Thank you and thanks for watching!

[@andrewmangum8391]

So have they came out and said what they're going to do to resolve this issue for the customers

[@hrfunk]

No, but if you’re experiencing a problem, I would encourage you to contact their customer service.

[@hooty465]

The front of the Cylee looks higher than the rear, just like the Holosun. Pehaps optical illusion?

[@hrfunk]

Maybe, I noticed the same thing.

[@jerrywiese9722]

I don't know if it's an optical illusion, but it appeared that both optics were higher on the front when installed. Maybe the locator pins on the slide prevent the optics from going into the holes on the bottom of the optics? In other words different diameters with the slide pins being too large.

[@hrfunk]

I don’t think that’s the case. At least, I couldn’t detect anything like that.

[@tileman108]

I own 6 cyelee dots, great value

[@hrfunk]

So far I’m favorably impressed. I want to use it for a while and see how it performs over time.

[@leighmonty13]

Wow bit of a weird issue great video, maybe get some binoculars or a monocular save you getting up.

[@hrfunk]

I’ve got a good spotting scope. I was just in a hurry so I didn’t set it up.

[@gregcampwriter]

Do you have any plans to get a Tisas L9A1 Hi Power for review when it's available? The idea of a resurrected Inglis for under $500 is something I'm not likely to be able to refrain from buying.

[@hrfunk]

The short answer is “yes”. It’s more a question of logistics.

[@Stoney_AKA_James]

I would be curious to see how a different Holosun optic would perform, hopefully one with more adjustments, albeit ANY optic requiring that much adjustment should be questionable.

[@hrfunk]

This pistol only accepts optics with the 507K footprint, so the options are limited.

[@Stoney_AKA_James]

@@hrfunk Oh, ok 👍

[@sleigh4019]

How about adding a sealing plate ?

[@hrfunk]

For now I have this issue under control. I don’t need a plate.

[@algoneby]

Nothing a coarse wheel on the grinder couldn't fix.

[@hrfunk]

Spoken like a true precision machinist.

[@dv270salto7]

Hey! Cyelee site says 30 minutes of adjustment, but does that mean total from the lowest possible to the highest possible or from the center to the highest AND from the center to the lowest? Also, something seems odd that a sight with a published 30 minutes of adjustment could move the poi 50+ minutes..That first shot with the Cyelee looked about 14 inches low...25 yards...Distance from the bench measured perfectly? With you, I'd think so...Uneeda pair of bino's to see those shots!!! :-) Hmmm..I'd simply get a stainless steel shim kit and cut/drill it to fit over the rear screw holes on the slide and go from there!! Might help!! I enjoy your videos

[@hrfunk]

Thank you! Usually, the total movement for sight adjustment is measured from the very bottom to the very top, and all the way from one side to the other. When the sight is mechanically centered, you have one-half of that total adjustment range available in any direction. Most sights, and this is certainly true for the Cyelee, have a greater adjustment range than they advertise. Regarding the 40 MOA of advertised adjustment, I KNOW I read that, but I now can't find it on the Cyelee website. In fact, I can't find any stated adjustment range for the Cat X Pro. Since I was able to zero the Carry Ds at 25 yards (with elevation to spare), the Cat X Pro definitely has more elevation adjustment than the Holosun 507K, but unfortunately, I can't direct you to a specific citation for the advertised maximum adjustment range.

[@cliftonwhittaker260]

You, Sir, are far more patient that I am. 😜

[@hrfunk]

It’s a Sniper thing.

[@PetrosArgy]

I'd like to add a DS 1911 to my collection at some point without breaking the bank, so I'll be keeping my eye on this one. What worries me as much as the (possibly) bad optics cut is that your group size seems so large considering you're shooting stabilized with a dot a 25 yds. Based on other videos of you as a shooter, I would blame the gun for that, not the shooter.

[@hrfunk]

So far, the Carry DS seems to be about a 3” shooter at 25 yds. That’s not super precise, but then again it’s not all that bad for a 4.25” carry piece.

[@PetrosArgy]

@@hrfunk Ok, that's not so bad. Some of those groups looked larger on screen. I'm still months away from any kind of purchase so I'll wait and see how things go. Thanks for your reply!

[@hrfunk]

No problem. Thanks for watching.

[@showtime2629]

This goes to one of the issues that I've brought up on why I don't think red dots will be as popular as some people think they will be. Too many things for the average shooter to diagnose, without any real knowledge of how they work.

[@chrislang5659]

I'm pretty sure you can get some shims to fix the issue if you want to keep that optic! 🤔❤❤❤

[@hrfunk]

Stay tuned for an update on the Holosun.

[@chrislang5659]

@@hrfunk 🫡

[@stephendettweiler746]

Just caught up! Ministering to Mens Group this morning. The Optics Problem became an opportunity for a Good Video! So, how do you go about determining the slide cut out of design of the slide that's causing the angle problem. Like you said. Both optics started at the same place one just had a greater adjustment capability

[@hrfunk]

At this point, I’m fairly certain that there’s a problem with the slide. Even so, I’m not too concerned about it since I was able to adjust the Cyelee light to compensate for it. At some point in the future, I might contact SDS to see about replacing the slide, but I don’t see that as being urgent.

[@stephendettweiler746]

@@hrfunk it might make a good video to see if all their slides are like this or if it is just this one. Which would be a design defect that the manufacturer could look into and correct. I believe there was some comments that said they had the same problem. Since SDS has been responsive they might actually reevaluate the design and fix it if that's what it is

[@hrfunk]

They already have their engineers working on it.

[@stephendettweiler746]

@@hrfunk cool!

[@Majeskty]

Curious if you contacted Holosun for their take on the issue?

[@hrfunk]

No, I did not.

[@bripro68]

Fine sir, I hope to pick your brain a bit. I am 55 years old and been using iron sites on pistols since I joined the USN at 18. I’m recently getting into red dots and want your opinion on sighting them in. I zeroed at 50 feet using a Caldwell pistol rest. All seemed well until I stood up and assumed my normal shooting stance. Suddenly all my groups were several inches high and to the left. In your opinion should I examine what the variance is in my stance or how I grip or hold the handgun versus using the rest or should I have sighted it in from my standing stance? Your videos are a blessing, and I thank you for the time you take making them.

[@hrfunk]

When you were shooting from the rest, where was the pistol contacting it?

[@bripro68]

@@hrfunk The pistol was making contact with the rest at two points. The magazines base pad, and the dust cover area of the frame like right under the light rail.

[@hrfunk]

​@@bripro68 That is what I suspected. Here's what I think might be happening. When you shoot from the rest, you are either consciously or unconsciously applying downward pressure on the front of the pistol. Essentially, you are holding the dust cover/rail tightly down against the rest. That probably gives you a nice steady sight picture, but it reduces the normal muzzle flip you would experience under recoil. When you shoot from a standing position, there is no way to do that. Consequently, the muzzle rises more while the bullet is traveling through it. The net result is that the bullets strike higher on the target. The fact that you're hitting slightly to the left probably occurs for much the same reason, except the factor causing that to occur is the torque applied to the pistol as a result of the rifling twist. This is why, when I shoot from a rest, I only allow the rear portion of the grip to contact my sandbag. The pistol then recoils more similarly to the way it does when I'm standing/unsupported.

[@bripro68]

@@hrfunk thank you so much for your reply. When I read the way you put it it makes perfectly good sense. I very much appreciate you sharing your knowledge and expertise with us!

[@hrfunk]

@@bripro68 My pleasure.

[@destroyingdadxx2274]

A $12 plastic optic shim from Amazon should fix this problem.

[@msgt1942]

Will tisas fix slide cut under warranty?

[@hrfunk]

My understanding is that yes they will.

[@onpsxmember]

Without clicks do you add a witness mark on the adjustment screws?

[@hrfunk]

I haven’t yet, but once I’m satisfied with this setting I probably will.

[@franks2012channel]

I would think a home made shim would fix the problem until Tisas cuts the slides correctly. Red Dots are more popular than ever, they are not going anywhere.

[@CoreyCJordan]

The slide cut is not parallel to the bore. In all probability, the slide was not fixtured correctly before being milled. This is not fixable. The slide is scrap. Tisas should replace the slide assembly. I have no doubt that slides are inspected on an AQL sample basis. Your slide likely never had any more than a visual inspection after finishing.

[@hrfunk]

As mentioned below, this is an early production pistol. I have no doubt the issue will be corrected in the future. Once it’s all ironed out, I’ll see about getting the slide replaced. For now, I have corrected the issue with the Cyelee optic.

[@CoreyCJordan]

@hrfunk Absolutely. I have had an issue with Girsan 1911. It shot very low. Fortunately, the rear sight is adjustable for elevation and windage. However, I had to use most of that adjustment. I found my local gun shop had two of the same 1911 in stock. I showed up with my digital calipers and measured the height of the front sights. That on my pistol was .020 taller than the other two... Being a dove tail sight, I simply replaced it via the aftermarket. Seemed like a faster solution than sending back to EAA for repair. I would have replaced it anyway. The pistol is optic ready, but the rear sight is on the slide cover. So, I would lose the rear sight. I did install a Burris FastFire3 for a while. However, I elected to revert to the irons. That FastFire3 is now on an 870 pump shotgun. In this application, it excels.

[@lj.7311]

I’m officially burned out on all things Tisas.

[@hrfunk]

Too bad. They have some cool new things coming out soon.

[@msgt1942]

If your burnt out on a great pistol at a great price it's not the brand. Be honest with yoursef. it's not tisas. u probably overpaid and are hating on an amazing pistol!!! These pistols have an incredible reviews and following and growing by leaps and bounds. And lastly your comment added absolutely NOTHING to the conversation, restrain yourself in the future to not waste other people time if you can.

[@tommcqueen3145]

👍👍

[@richardwebb547]

bang

[@lewiswood812]

You were trained in the Corps with iron sights…go back and show the results

[@hrfunk]

That was in the previous range report on this pistol.

[@lewiswood812]

Go back to iron sights

[@fuzzyreticle]

Buy once and cry once as they say. Thanks for saving me from purchasing one of these. It might look like a 2011 but it doesn’t perform like one for sure or even close. I get that it’s a “budget” pistol but I would rather spend a little more for better performance. Perhaps a Springfield Prodigy. I personally wouldn’t pick a Cylee over a Holosun for any rifle or pistol. This could be a QC issue with an early production pistol as you say. I wouldn’t expect Staccato performance out of it but I’d expect more than what you demonstrated. I have no doubt in this case it’s the violin and not the violinist.

[@hrfunk]

What aspect of the performance did you not care for? Was it the sight base issue, or something else? I'm just curious since overall I've been pretty impressed by the Carry DS.

[@colt10mmsecurity68]

Love these videos but honestly, “Tisas” means “Harbor Freight” in Turkish language. Pay for junk and you get junk. Just say’n.

[@hrfunk]

This is the only issue I’ve run into with this pistol. Considering some of the problems I’ve had with big name domestic manufacturers, I’m not too upset.

[@joemorganeatmyshortschannel]

catching replay went to see mom yesterday and my knee is out today

[@milehighgimpster]

Good explanation. Thanks for the video. *Is YT censoring these videos? They don't acknowledge me pushing the "like" button.,...

[@hrfunk]

Probably.