8.6 Blackout Barrel Lengths Vs. Velocity

Рет қаралды 51,456

6 ай бұрын

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"This video is for educational and entertainment purposes only. All guns displayed off the range are safety checked and only displayed pointing in safe directions. All footage at the range is private range and the gun is handled by a Range Officer certified by the National Range Officer Institute. This video is not promoting or attempting to sell guns. Sale of guns is heavily regulated and I am not associated with any federally licensed firearms dealer. The actions of all firearms displayed are unmodified and presented as commonly available from original equipment manufacturers. This video is not instructional on building or modifying firearms. Nothing has been done to increase the rate of fire or lethality of the firearms displayed nor would I advocate making such modification as it presents a huge liability and potential risk of harm or death."

Пікірлер: 221

@Yeoman7 6 ай бұрын

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

@Howard_Roark 6 ай бұрын

This

@AlabamaArsenal 6 ай бұрын

Probably going to make that happen! Thanks for watching!

@multicammando 6 ай бұрын

Fo sheez

@RB-dc2bp 6 ай бұрын

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 5 ай бұрын

Yeah, want to see the goods on that chronograph

@tonyh7990 6 ай бұрын

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 6 ай бұрын

Appreciate you taking the time to watch man!

@ThePenn7 6 ай бұрын

Definite yes on Garmin review, please.

@GBGuns 5 ай бұрын

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

@GraySquirrel-374 Ай бұрын

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”.

@22leggedsasquatch 5 ай бұрын

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

@robbledot7290 6 ай бұрын

Best gun channel on KZfaq

@AlabamaArsenal 6 ай бұрын

Appreciate that man! Tell your friends!

@gqarmory 6 ай бұрын

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 6 ай бұрын

I gotta get me one too

@tonyh7990 6 ай бұрын

You guys make some incredible firearms!

@AlabamaArsenal 6 ай бұрын

I can confirm this...

@StevenL00 5 ай бұрын

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 5 ай бұрын

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

@Alfeco-dm7uk 5 ай бұрын

Try 8.6 blk 160gr supersonic in different barrel lengths.

@halgwin 6 ай бұрын

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

@alexisdetocqueville9964 5 ай бұрын

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.

@terriblefez 5 ай бұрын

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 5 ай бұрын

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 5 ай бұрын

@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 5 ай бұрын

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 Күн бұрын

@@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.

@brazzy1467 6 ай бұрын

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.

@Bigdaddyslasher 5 ай бұрын

I am very intrigued about this round

@AlabamaArsenal 5 ай бұрын

It’s pretty cool

@Bigdaddyslasher 5 ай бұрын

@@AlabamaArsenal it sure is

@JohnDoeTheTroll 5 ай бұрын

That Paladin is gorgeous!!!

@DIEFREECO 3 ай бұрын

YES IT IS !!

@AP2020_Outdoors 5 ай бұрын

@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....

@chrishelms1967 6 ай бұрын

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

@ssspencerjr 5 ай бұрын

Same here. Yes from me.

@BasementOps 6 ай бұрын

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

@AlabamaArsenal 6 ай бұрын

Appreciate that man! Thanks for watching!

@MrRebar15 6 ай бұрын

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

@AlabamaArsenal 6 ай бұрын

Glad you enjoyed it! and thanks for watching!

@stingerzing4063 5 ай бұрын

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

@pieceofmindguns 6 ай бұрын

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

@AlabamaArsenal 6 ай бұрын

Thanks for watching man!

@tech6263 6 ай бұрын

All content is completely legal but despised by totalitarians.

@AlabamaArsenal 6 ай бұрын

Facts... Thanks for watching!

@timothydx03 5 ай бұрын

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 5 ай бұрын

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.

@jeremywills9303 5 ай бұрын

Excellent 8.6 info. Thx for sharing.

@richardtamblyn5221 6 ай бұрын

That range looks like an awesome place to administer some freedom!

@sjc1412 6 ай бұрын

Definely make a Garmin xero video

@AlabamaArsenal 6 ай бұрын

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

@Tiebox 2 ай бұрын

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

@Kobriks1 5 ай бұрын

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.

@shrubjr893 5 ай бұрын

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 5 ай бұрын

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 4 ай бұрын

Why would you use supers on this?

@jeffledoux5439 4 ай бұрын

@@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 3 ай бұрын

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

@SimplestUsername 2 ай бұрын

@@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.

@HKGunPlay 5 ай бұрын

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

@The-BCC 5 ай бұрын

Fantastic info mate.

@kevinbrittingham6774 5 ай бұрын

Great video!

@mikenkaleigh 5 ай бұрын

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.

@thomascozart1095 5 ай бұрын

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

@user-pd2ew1xg3u 6 ай бұрын

Awesome stuff man

@AlabamaArsenal 6 ай бұрын

Thanks for watching man!

@choomanfoo157 5 ай бұрын

I watch many Firearm channels and this is the first time I seen somone shows relevance of performance and platforms. So many talk about calibers performance, but dont really emphasis the cost of that performance which includes being in a bigger form factor like AR10 or longer barrel to get that performance. Barrel length alone can change a bullets performance to mimic the capabilities of other calibers.

@5iveMoreMinutes.. 6 ай бұрын

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

@greatdane3343 6 ай бұрын

Big yes for the chronograph video 👍

@bootlegengineer2367 5 ай бұрын

Love the 8.6 content.

@DemocratforTrump 6 ай бұрын

Yes on garmin vid. Love everything you do.

@AlabamaArsenal 6 ай бұрын

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

@justinwood3054 6 ай бұрын

Yes to Garmin review.

@AlabamaArsenal 6 ай бұрын

Probably going to make that happen! Thanks for watching!

@rockymountainhomestead 2 ай бұрын

Almost 3 seconds flight time. Love it!

@munneysreviews 6 ай бұрын

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

@AlabamaArsenal 6 ай бұрын

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

@jeffhuntley2921 6 ай бұрын

That’s why I built one

@gusatl2068 5 ай бұрын

AlabamaArsenal delivering good content..

@DonnieKluck 4 ай бұрын

Definitely would love a video on the chrono

@robertbrown3142 23 күн бұрын

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".

@noizychild 5 ай бұрын

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!

@jeffhuntley2921 6 ай бұрын

Should be a good learning experience for the general public

@MIKESTREED 5 ай бұрын

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

@killjoy29650 6 ай бұрын

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

@AlabamaArsenal 6 ай бұрын

Probably going to make that happen! Thanks for watching!

@o.m.a.c.454 26 күн бұрын

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

@AlabamaArsenal 26 күн бұрын

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 25 күн бұрын

@@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?

@zx6reaker1 2 ай бұрын

Yes please!!! Video for the chronograph!

@lucasblanchard47 5 ай бұрын

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

@sakocat 6 ай бұрын

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 6 ай бұрын

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

@GalloPazzesco 6 ай бұрын

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

@AlabamaArsenal 6 ай бұрын

It's pretty impressive. Thanks for watching!

@kevinbrittingham6774 5 ай бұрын

In before haters say we stole it. 😂

@darthjoshua6663 4 ай бұрын

Why doesn’t this channel have more subscribers?

@AlabamaArsenal 4 ай бұрын

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

@ItsBiscoitoIndeed 6 ай бұрын

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

@ALovelyBunchOfDragonballz 5 ай бұрын

Which manufactures?

@ItsBiscoitoIndeed 5 ай бұрын

@@ALovelyBunchOfDragonballzrugged, of all people

@jezzasidewinder5993 6 ай бұрын

Garmin vid a must!

@miketanner1920 6 ай бұрын

I like the way you explain everything in detail Thank you I have a question Have you ever considered trying multiple composition projectiles to very the volatility and spin For example an overpowered load that is a patched and wound in reverse shot from a smooth bore Ie. The projectile don't start to spin until it has already left the barrel Interesting smooth bore chamberings hinted at by a man named browning Or maybe it was Sharp's Sorry about the spellings I'm kinda going blind It's really great to hear your enthusiasm God bless you and your's Just saying 🇨🇦😁👍🏻🇺🇸

@K-bob_45 6 ай бұрын

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

@AlabamaArsenal 6 ай бұрын

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 6 ай бұрын

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

@ALovelyBunchOfDragonballz 5 ай бұрын

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

@K-bob_45 5 ай бұрын

@@ALovelyBunchOfDragonballz true

@brooksjeansonne8344 6 ай бұрын

Chronograph review!

@AlabamaArsenal 5 ай бұрын

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

@Alfeco-dm7uk 5 ай бұрын

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)

@yupyup4209 6 ай бұрын

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 6 ай бұрын

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

@yupyup4209 5 ай бұрын

@@jackburton7959 Thanks man!

@hopewilliams6705 5 ай бұрын

Yes Garmin video! From south Mississippi

@rockstar49858 4 ай бұрын

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 4 ай бұрын

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!

@craighouse1279 6 ай бұрын

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

@AlabamaArsenal 6 ай бұрын

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

@ChaskeJohnson 6 ай бұрын

Awesome

@AlabamaArsenal 6 ай бұрын

Appreciate you watching!

@Cucuy-so9dn 5 ай бұрын

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

@Bisley1 3 ай бұрын

Thanks for the video. I‘d love to see how it compares to the BulletSeeker Speedtracker and Labradar. I got the Magnetospeed which I like, but intend to get either of the above or perhaps your garmin device in addition in the future. If you do test it, could you please see if it works well with handguns too? I shoot a lot of revolvers. My friends speedtracker is not well suited to this as it really needs to be mounted on the gun to work well, unlike the labradar you can stand next to.

@SimplestUsername Ай бұрын

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.

@jackbolen5001 4 ай бұрын

First off I definitely would love to see a video on that chronograph. My next question is as intrigued by this round as I am and I definitely want one in my gun cabinet question that I have is most bullet manufacturers require 1800 to 2000 ft./s for their bullets to open reliably on target.we are starting off at half of that right at the end of the muzzle, so how effective will this be as a hunting cartridge?

@jwagnerification 5 ай бұрын

I 100% wanna see a review of that garmin

@Hunter377 5 ай бұрын

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

@joebob4609 5 ай бұрын

What was the speed of the first shot? 40 fps higher? Is the first shot (cold shot) of a group really really higher than the rest?

@justinhope9612 4 ай бұрын

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 3 ай бұрын

Not quite. Same concept, different donor cartridge.

@justinhope9612 3 ай бұрын

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.

@gassdarunt556 5 ай бұрын

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

@jeffhuntley2921 6 ай бұрын

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

@ALovelyBunchOfDragonballz 5 ай бұрын

Thats why you bring friends to the range.

@wheelzandgillz 6 ай бұрын

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

@ptff398 5 ай бұрын

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 5 ай бұрын

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!

@turbotaz2067 6 ай бұрын

so much hang time long range its almost like you edited in a "1 Mississippi, 2 M...." slomo splice for effect. But I guess thats just how long it takes til impact. Thanks for sharing you're 8.6

@TheReal_JohnDoeSmith 5 ай бұрын

#discreetballistics is where it’s @

@CokeMan2423 5 ай бұрын

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

@ALovelyBunchOfDragonballz 5 ай бұрын

Is that Garmin a rifle mountable doppler radar chronograph? Because yes, wed love a video on that.

@abel6816 6 ай бұрын

Garmin review !🎉🎉

@timjohnson8390 5 ай бұрын

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

@BaddFrogg777 Ай бұрын

PALMETTO STATE ARMORY OR BEAR CREEK.

@bluepunk182 5 ай бұрын

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!

@jasonbaumgartner258 5 ай бұрын

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!

@NelsonZAPTM 6 ай бұрын

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

@AlabamaArsenal 6 ай бұрын

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 6 ай бұрын

@@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.

@RB-dc2bp 6 ай бұрын

What are you evaluating? Subsonic barrel length or supersonic barrel length? If Supersonic performance a longer barrel going to help, obviously. If subsonic, I guess you found your point of drag. But what's the "so what" of losing 20fps? I'm going to hazard a guess that the point if drag correlates to the quietest subs. Because the powder is all burnt up in the barrel. Hence the drag. So what means "subsonic performance?" Sound suppression? Max subsonic velocity 🤔 Or long range accuracy? I'm going to hazard a guess that fir most people it's Suppression.

@jlatkins6 5 ай бұрын

Yes, bring the Garmin.

@jasonrad9332 6 ай бұрын

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

@AlabamaArsenal 6 ай бұрын

Might just have to do it! Thanks for watching!

@WvMnts 5 ай бұрын

Dang I hadn’t heard of the chrono. I just bought the new fx radar

@rotisseriebear5394 4 ай бұрын

My gut told me it would be like 22LR: velocity gains to around 10-13 inches, then slight drop off. Still, I wonder what affect barrel length has on accuracy. Does a longer barrel stabilize the bullet better? It wouldn't probably matter for hunting in dense woods, but some people are taking this thing out to several hundred yards. Let's say you could ethically shoot a critter at 150 yards. Is there enough of a difference in accuracy to make a difference?