8.6 Blackout Barrel Lengths Vs. Velocity

[@Yeoman7]

I want to see a review of the Garmin device.👍

[@Howard_Roark]

This

[@AlabamaArsenal]

Probably going to make that happen! Thanks for watching!

[@multicammando]

Fo sheez

[@RB-dc2bp]

It would be a boring review. It just works. One of those devices that makes it function .... boring bc it's just simple.

[@The-BCC]

Yeah, want to see the goods on that chronograph

[@tonyh7990]

Awesome content as always, and yes a garmin review would be nice to see. Appreciate the time and effort that goes into these videos.

[@AlabamaArsenal]

Appreciate you taking the time to watch man!

[@ThePenn7]

Definite yes on Garmin review, please.

[@22leggedsasquatch]

As an armed bodyguard, this is of great interest as a force multiplier. Greetings from Austria 🇦🇹 😀

[@alexisdetocqueville9964]

An 8" .338 PDW is just nuts. Hell, the caliber itself is crazy - the high twist rate approach will yield a lot of interesting setups in the future I predict.

[@Fgway]

I want to say I don't know a lot, but I have a feeling about it too. We're close to something novel.

[@edwardlance2379]

I have an issue with Kevin Brittingham's claims concerning 8.6 Blk. He says (and he says it on video) that an 8.6 Blk puts more energy on target with a 12" barrel (shooting supersonics) than a 308 does with a 20" barrel and with 20% less recoil. He claims it is because of the 1:3 twist. I call BS. I've done the math on his quoted ballistics and the numbers do not add up. I'm pretty sure if super fast twist rates do what he claims, a major manufacturer would have jumped on that bandwagon long ago. Kevin is certainly not the first person to try fast twists. Either way, it's still an interesting cartridge, but you need a large frame rifle (AR-10 size) as it doesn't fit in an AR-15. Of course, bolt guns don't matter in this case.

[@unoranger]

@edwardlance2379 I don't know how Kevin did his math, but I assume that he added in the rotational energy of the two cartridges. A 300 -350 grain bullet spinning at close to 500k rpm should have a lot of stored energy. The effectiveness is to be determined. The ownership and use of silencers are starting to be more widespread compared 15 years ago. This has resulted in many innovations. The baffle designs and materials used in silencers is an example. Fast twist barrels were not needed to help subsonic bullets expand until widespread use of subsonic bullets were a thing, hence the recent innovation. The gist of what I'm saying is that because of the NFA, some firearms technology is behind. It is an exciting time for firearms enthusiasts, with 3d printing flow through suppressors, fast twist barrels, and affordable thermal optics.

[@edwardlance2379]

I did the math on the rotational energy of a 150 grain 30 cal bullet from a factory rifle (1:12 twist) and it was on the order of 9 ft-lbs (it's been a while). The 8.6 was something like 33 ft-lbs. It's not a lot in either case and even if we add the rotational energy to the translational energy of the 338 projectile of the 8.6, it is still nowhere near the impact energy (translational) of the 308.

[@murdurmuffin7872]

@@edwardlance2379 I don't mean to be that guy... but math claims don't mean squat in the face of ballistic gel tests. I really don't care what your math says when I see the lungs literally blow out the back of the test dummy. Not to mention that's at a subsonic velocity. Argue and take issue all you want, results don't lie.

[@GBGuns]

Looks like 8.6 is like 9mm, 10mm, and many other calibers in that it gets tired before the end of a 16" barrel.

[@1014p]

My 10mm out of 16” slaps harder than from a 6 inch pistol. Not sure if it would be slowing as don’t have a 14” to test from.

[@gbgunsmedia]

@@1014p I won't pirate Alabama Arsenal's video with a link, but I tested 13 loads from 3 different 10mm barrels and all but one had marginal gains after 6"

[@GraySquirrel-374]

Thanks for this review. I’m currently building a M5 Aero Precision set up with a 12” barrel. This made me feel solid in going with a 12”.

[@TheDavidgeorge10]

best gun channel in KZbin

[@AlabamaArsenal]

Really appreciate that man! Thanks for watching!

[@DIEFREECO]

AGREED+++++

[@StevenL00]

Guns: GQ Armory Paladin 8'', Q Fix 12'', Ruger American 16'' w/ Mostek barrel. Ammo: Callaway Ballistics 285gr ELD, designed for 12'' barrels Chronograph: Garmin Xero C1 Pro (so small you can mount it on your rifle!) Suppressor: Diligent Defense DTF-LTi **One purge shot taken before chrono turned on.** 4:20 Q Fix 5:40 GQ Armory Paladin 6:55 Mostek-Ruger American

[@AlabamaArsenal]

Thanks, I probably should have done that in the description. Thanks for watching!

[@tech6263]

All content is completely legal but despised by totalitarians.

[@AlabamaArsenal]

Facts... Thanks for watching!

[@halgwin]

Hal from Callaway. Many Thanks to Tim for this Amazing Video and even more AMAZING DATA!!!!

[@gqarmory]

Great video and data Tim! Here's another vote for yes on the Garmin. We might have to pick one up for testing as well 😉

[@pieceofmindguns]

I gotta get me one too

[@tonyh7990]

You guys make some incredible firearms!

[@AlabamaArsenal]

I can confirm this...

[@stingerzing4063]

Consistently some of the best gun content out there. I dream of living your life man!

[@robbledot7290]

Best gun channel on KZbin

[@AlabamaArsenal]

Appreciate that man! Tell your friends!

[@brazzy1467]

Love the MOS TECH barrels. I ordered a 13.9" 8.6 barrel from them and I'm having a Dead Air break pinned and welded to make it legal 16". I'm just waiting on my action to come in before I take it to my gunsmith. Can't wait to get it put together.

[@MrRebar15]

*Alabama Arsenal* Bravo well done, thank-you sir for taking the time to bring us along. GOD Bless.

[@AlabamaArsenal]

Glad you enjoyed it! and thanks for watching!

[@chrishelms1967]

Definitely intrigued by the Garmin, I vote yes on a video

[@ssspencerjr]

Same here. Yes from me.

[@AP2020_Outdoors]

@Alabama Arsenal great video as always! My take mirrors yours' after I think about it more = DRAG from the barrel caused the decrease in velocity for the 16". Now, regarding the various loadings tailored for specific barrel lengths. I find it irrelevant that ammo makers are doing this, I have in my own finding discovered that 50 fps in the subsonic world is irrelevant when considering real world targets that are less than 200 yards away. 200 yards as the distance most folks should probably limit their real-world hunting distances too....

[@BasementOps]

Thank you, sir, for this amazing content. 👏🏻

[@AlabamaArsenal]

Appreciate that man! Thanks for watching!

[@pieceofmindguns]

8.6 all day. Happy to help get anyone dialed if they need help with their build 🤘🏼 #86hq

[@AlabamaArsenal]

Thanks for watching man!

[@Schoen-Off]

Nice to see one of our BBl’s getting some range time.

[@5iveMoreMinutes..]

This is the data we needed! I think I speak for most of us when I say we absolutely want to see numbers on ballistics with the xero

[@thomascozart1095]

Given the quality of your reviews, I am flabbergasted that you don’t have more subscribers. Great information as always, Tim.

[@shrubjr893]

I'm cautiously excited about 8.6, but I have heard NOTHING about it's super sonic performance. I'd love to see another vid like this for supers! I'd love to see a garmin review too.

[@jeffledoux5439]

I built one of these before the 8.6 creed was a thing. IMO not enough case capacity and the 300 grain bullets didn't do much velocitywize so I went to the WSM case. My subs work great plus I the case capacity to really push most bullets

[@WickdPerfekT]

Why would you use supers on this?

[@jeffledoux5439]

@@WickdPerfekT so you could get more capabilities out of it. Unfortunately unless your running the lighest 338 bullest your not doing much with the creed case superwize

[@shrubjr893]

@@WickdPerfekT because subs, even 300 gr mechanical broadhead-type subs are not as good at killing shit.

[@SimplestUsername]

​​​@@shrubjr893 with supersonic rounds, that speed is used to achieve rapid bullet expansion upon entering the target, efficiently transferring the bullets energy and creating a wound cavity. You're correct, you don't get those characteristics with sub sonic, which is why subsonic is notorious for goosenecking and passing right through ballistics gel. However, 8.6 uses a different method to transfer energy by utilizing projectiles with a wide expansion footprint and a fast twist rate. This combination makes It's extraordinary effiecent at transferring bullet energy to the target. It's unclear if supersonic speeds would even aid with this unique energy transfer process.

[@Bigdaddyslasher]

I am very intrigued about this round

[@AlabamaArsenal]

It’s pretty cool

[@Bigdaddyslasher]

@@AlabamaArsenal it sure is

[@JohnDoeTheTroll]

That Paladin is gorgeous!!!

[@DIEFREECO]

YES IT IS !!

[@Dirty2Clean1980]

Yes, and it's what im saving for currently, I can't wait. 2,800 than the supressor. The only issue is it doesn't come with the maxim deffence stock that looks similar to the honey badger like all the other calibers. I'll have to call them.when its time to purchase. Their around 400 bucks separate.

[@JohnDoeTheTroll]

@@Dirty2Clean1980 Good luck to you, I'm sure it will be a sweet gun!!

[@jugularspeed774]

“Most reliable ar-10s that can be made” *gun jams*

[@Prepper_Raider]

.300 and 8.6 blackout were both designed to be shot suppressed from a short barrel w/ very aggressive twist rates.

[@timothydx03]

I would love a comparison video of a AR platform suppressed 8.6 vs a bolt action suppressed 8.6, very interested in how much of the action and pressure increases noise levels. Great video as always!

[@edwardlance2379]

The bolt gun is going to be quieter, period. Most AR platforms run 120-ish decibels just cycling the action. Add port noise to it as well. Assuming the suppressor is capable of keeping the blast noise below that threshold, the bolt gun will certainly be much quieter.

[@janremongalura5713]

On a sub sonic round with a suppressor?

[@Kobriks1]

My guess is that it slows down more in longer barrels due to the 1:3 twist rate which imparts more drag on the bullet.

[@justinwood3054]

Yes to Garmin review.

[@AlabamaArsenal]

Probably going to make that happen! Thanks for watching!

[@greatdane3343]

Big yes for the chronograph video 👍

[@jeremywills9303]

Excellent 8.6 info. Thx for sharing.

[@gusatl2068]

AlabamaArsenal delivering good content..

[@jeffhuntley2921]

Should be a good learning experience for the general public

[@GalloPazzesco]

Yeah, the Q guys, they hit a homerun with this round.

[@AlabamaArsenal]

It's pretty impressive. Thanks for watching!

[@kevinbrittingham6774]

In before haters say we stole it. 😂

[@Whitehaar]

Yes to Garmin video and Yes to a ballistics gel video with 8.6

[@K-bob_45]

If Ruger doesn’t make a SFAR with a 10-12.5” barrel in 8.6 blk they might want to go broke

[@AlabamaArsenal]

Not sure if that has a custom barrel, I kind of think it does, but I bet Mostek could re-barrel it! Thanks for watching!

[@justahappyfellow]

​@@AlabamaArsenal Custom barrel extension only, so should be able to switch.

[@ALovelyBunchOfDragonballz]

Ruger needs to fix the SFAR before they branch out with it.

[@K-bob_45]

@@ALovelyBunchOfDragonballz true

[@bootlegengineer2367]

Love the 8.6 content.

[@DonnieKluck]

Definitely would love a video on the chrono

[@munneysreviews]

I'm actually getting ready to buy a 16" 8.6. I'm not sure why, but feel like it would be fun.

[@AlabamaArsenal]

It is pretty cool! I think you ll enjoy it. Thanks for watching!

[@jeffhuntley2921]

That’s why I built one

[@sakocat]

Im sure lot of people are excited about the garmin I sold my labradar after watching the first video I saw about the garmin. It still hasn't arrived yet. But I haven't seen a bad review on it , It just seams to good to be true

[@AlabamaArsenal]

I wish I could find someone to buy my Labradar, it is everything they claim. I'm blown away. Thanks for watching!

[@lucasblanchard47]

That’s a really cool rifle round with a FAST twist rate! I’d like to see a Garmin chronograph review, too.

[@sjc1412]

Definely make a Garmin xero video

[@AlabamaArsenal]

Yeah I think I’m going to. Thanks for watching!

[@noizychild]

THIS has be thinking. Was debating on getting a fix and trying to decide between the 8 and 12 inch variants.... NOW i think the 16 might be the most versatile...Might just get a barrel conversion for my Ruger american as well. Thanks brother!

[@mikenkaleigh]

I am very interested in the garmin, please review. I bet your 16 barrel being slower has to do with bullet jump to the rifling, I have a feeling the jump is longer and causing the pressure to be lower. 8.6 uses the exact same powder as 300 blk, mainly 1680, and 300 blk does not have that issue, measure your bullet jump between rifles.

[@The-BCC]

Fantastic info mate.

[@kevinbrittingham6774]

Great video!

[@rockymountainhomestead]

Almost 3 seconds flight time. Love it!

[@JasonMann-t7o]

Awesome stuff man

[@AlabamaArsenal]

Thanks for watching man!

[@justinhope9612]

Speaking of 300blk it was originally developed in Cocoa Fl before the idea was stolen and patented towards the end of its development and named 300 whisper. Now it’s called 300blk

[@CMHatem]

Not quite. Same concept, different donor cartridge.

[@justinhope9612]

Parent case in both is 221/223 No question about it this was being developed in Cocoa, Fl before JD Jones caught wind of this and patented it after stealing this idea after hundreds of hours of research and development were performed.

[@CByers-lh3zq]

That delay is equal parts hilarious and satisfying...🤣 insert the Spongebob 'a few hours later' meme here.

[@rockstar49858]

It’s hard to tell watching the video, especially with music sometimes playing in the background but did you notice a change with sound signature with the three barrel lengths?

[@AlabamaArsenal]

It's not as significant as you might think, but the same rule with any caliber exists, the round gets slightly quieter as the barrel gets longer. Thanks for watching!

[@robertbrown3142]

The 8.6 was designed to optimize subs in the 12" barrel, so it's not surprising that you get those results in a 16". A slower powder would likely give you a different result. Also, supers will perform much better out of the 16".

[@Alfeco-dm7uk]

Try 8.6 blk 160gr supersonic in different barrel lengths.

[@darthjoshua6663]

Why doesn’t this channel have more subscribers?

[@AlabamaArsenal]

That’s a good question! 🤣 please tell your friends! Thanks for watching!

[@zx6reaker1]

Yes please!!! Video for the chronograph!

[@killjoy29650]

Great video and would like to see one made on the Garmin chronograph. Very interesting.

[@AlabamaArsenal]

Probably going to make that happen! Thanks for watching!

[@brooksjeansonne8344]

Chronograph review!

[@AlabamaArsenal]

Probably going o m make that happen! Thanks for watching!

[@davewebster5120]

Excellent video with great data. I'd be more excited for this if 8.6 projectiles weren't so expensive. It's almost double compared to 30 cal. You won't be saving much by reloading.

[@Swissk31300BO]

This is true as of now but I think once federal and hornady release factory ammo after sammi is approved next year, we will see prices decrease

[@NelsonZAPTM]

Yes Garmin. And BTW, cut my .22 barrel from 18 inch to 12, gained 20 fps with the subs I shoot.

[@AlabamaArsenal]

That is very interesting! A buddy of mine got a 22" 22LR and was all excited about it, we started checking the speeds only to find out it was lower than my 18". It's not something you see often but in certain rounds drag is a very real thing. Thanks for watching!

[@NelsonZAPTM]

@@AlabamaArsenal I feel a .22 barrel length video coming on, with subs and supers. I researched the web looking for guidance before making the chop, and there was little good information for an optimal length.

[@o.m.a.c.454]

Your production, video and audio is great. I do have a question though why was Garmin set to pistol instead of rifle?

[@AlabamaArsenal]

Thank you! It has to do with velocity, essentially if you are trying to get accurate readings at slower speeds, like subsonic 8.6 BLK, you need to set it on pistol. Then you'll see the velocities associated with that setting align with subsonic rounds. Thanks for watching!

[@o.m.a.c.454]

@@AlabamaArsenal From one Alabamian to another thank you for your timely response and clarification. That makes sense concerning subsonic readings. Would be interested in shooting my Sword International MK-15 IDC?

[@CokeMan2423]

you better make that garmin vid WITH HASTE BOI I NEED A CHRONO

[@TheReal_JohnDoeSmith]

#discreetballistics is where it’s @

[@SimplestUsername]

Honestly, the more I research this caliber with a 1:3 twist, the more I'm convinced that it's a perfectly optimized subsonic caliber.

[@Alfeco-dm7uk]

You could try the same video in different bullets. For example, 7.62x39 loses about 120f/s between 16" and 12". That's a good compromise. What about 9mm or .45acp between 4" and 8" (mp5 or ump45)

[@jeffhuntley2921]

But if the chrono is mounted to the gun, how am I going to accidentally shoot it?

[@ALovelyBunchOfDragonballz]

Thats why you bring friends to the range.

[@ImThinking3]

If GQ went with a gas piston instead of DI with their Paladins, I would buy it in a heartbeat. Same reason why I didn't buy the LWRC DI 300 blk or the Q honey Badger. Also, I have no idea why they decided to make the bolt release ambi but not the mag release. Sig MCX Rattler LT ftw (lets hope they got the 8.6 blk coming soon).

[@HKGunPlay]

That ar10 paladin boy. Like a wet dream. That sob sick as hell. Great video.

[@craighouse1279]

As always, great video. I hve to ask, are you independently wealthy, hit the lottery, or inhereted a ton of money?

[@AlabamaArsenal]

🤣 None of the above, just very good at making poor financial decisions! Appreciate you watching!

[@Hunter377]

You seem to shoot a lot of 8.6 blackout. What would you say the barrel life for 8.6 is?

[@RichardMorse-h6r]

They are copying JD Jones again. He had the 338 Whisper #1 30 years ago. The only difference is the twist rate. JD Jones used a 1-8 twist and they are using a 1-3.

[@tbrown91241]

Don't forget about the 338 spectre

[@tbrown91241]

I don't think the guys at ssk or tromix wanted to keep anything proprietary, it is simply the demand of the market just like the how the ultra mag cartridges came to market and the lazzeroni cartridges are now almost unheard of let alone seen.

[@ChaskeJohnson]

Awesome

[@AlabamaArsenal]

Appreciate you watching!

[@joegolden462]

Yes I would like tosee review of Garmin device.

[@MIKESTREED]

Great info! Thanks! Has any barrel life data come out on this cartridge?

[@ItsBiscoitoIndeed]

Manufacturers are ok with 350 legend on 9mm cans, but not subsonic 8.6 Blackout. Why?

[@ALovelyBunchOfDragonballz]

Which manufactures?

[@ItsBiscoitoIndeed]

​@@ALovelyBunchOfDragonballzrugged, of all people

[@gassdarunt556]

I know 8.6 blackout is optimized for suppression but can u run without a suppressor

[@bluepunk182]

Wish you'd post the numbers at the end of the video so we could compare. Barrel length and average speed would have been nice to look at and not jsut as you're testing. Great video though, and looking forward to more 8.6 videos!

[@yupyup4209]

What was that black bolt action near the begining of the vid? The action looked/sounded super smooth. It wasn't one of the 3 that you tested throughout the video

[@jackburton7959]

WOOX stock with an Impact action and Faxon bbl. Not sure which trigger.

[@yupyup4209]

@@jackburton7959 Thanks man!

[@Cucuy_HMMWV]

Do you recommend the Q porq chop suppressor or any .338 can

[@hkmp5kpdw]

People don’t think spin drift be like it is... but it do...

[@jlatkins6]

Yes, bring the Garmin.

[@gardnert1]

Glad I got a little stubby boi then!

[@jwagnerification]

I 100% wanna see a review of that garmin

[@ptff398]

Did you get the 1:3 twist or the 1:6.5" from Mos-Tek? Trying to decide what twist I want on my custom build. Can you do a Super Sonic Test next?

[@AlabamaArsenal]

I got the 1:3 and I haven't worked up a super sonic loading yet, but I plan to in the future. Thanks for watching!

[@InkwellFoto]

Full video on C1 please

[@AlabamaArsenal]

Probably going to make that happen! Thanks for watching man!

[@hopewilliams6705]

Yes Garmin video! From south Mississippi

[@JB-dw2gw]

Beyond noise levels. We all want to know about groups, velocity on target?

[@jezzasidewinder5993]

Garmin vid a must!

[@jasonbaumgartner258]

Would love to see a ‘Bama Arsenal video on the Garmin. Looking to upgrade from my Magnetospeed. Pretty sure I already know what’s going to happen.. I’ll hit it regardless, but hell, make the video anyway!

[@jasonrad9332]

I’m down to see your take on the Garmin.

[@AlabamaArsenal]

Might just have to do it! Thanks for watching!

[@wheelzandgillz]

Is it bullet drag or a vacuum beeing pulled behind the bullet inside the barrel?

[@DRWildside]

twist rate on the hunter 1 and 7 ? thought the other two where 1 in 3.

[@AlabamaArsenal]

All are 1:3 Thanks for watching!

[@timjohnson8390]

Ive been on the fence about buying a 300 upper for ar pistol setup. Is there an economical upper yall recommend?

[@BaddFrogg777]

PALMETTO STATE ARMORY OR BEAR CREEK.

[@ryantogo8359]

6.5 grendel is more powerful and is what 6mm arc wants to be when it grows up, Einstein.

[@vernvarela5973]

Bring on the Garmin ballistic video!!!

[@a.joegevara3519]

Ballistic Advantage is now putting out a 14.5"!?

[@SouthernFamilyandFirearms]

Make the chrono review!!!!!

[@AlabamaArsenal]

Probably going to make that happen! Thanks for watching!

[@DemocratforTrump]

Yes on garmin vid. Love everything you do.

[@AlabamaArsenal]

Appreciate that man! Probably going to make that happen! Thanks for watching!

[@W1ckedRcL]

Garmin review!

[@zeke1eod]

🙋 Me, I'm a ballistic nerd. Do the review on Garmin, please. I would like to see this comparison in 18 and 20" barrels