6mm ARC Range Test! Group 100 to 1K Yards

[@davidmilisock5200]

Your videos inspired me to order in a 16" Aero upper and lower in 6MM ARC.

[@bryanduchane2371]

Vertical stringing of your first group is a great indicator your muzzel is jumping before the round fully leaves the barrel. Never seen a back to back comparison with and without a break like this before. Thanks for doing this test.

[@Glove513]

Thanks for bringing us along to enjoy your hobby and discover something new. I’m really digging this series of videos.

[@seanwhite304]

I never thought I. A million years that a muzzle device makes a difference In accuracy. I'm mainly gonna be shooting 105g Black out of mine . I do have 60 rounds ELD-M. I have another 300 rounds on back order from Midway . Can't wait until my optic comes in .

[@ronniesmith9568]

They can affect accuracy in different ways. Good or bad. It's how they affect the gases that push on the bullet.

[@seanwhite304]

@@ronniesmith9568 I've always used Smith Vortex and YHM Phantom Flash Hiders. I do have a couple SF WARCOMPs. I've never been a fan of Brakes even for AR10s or Competition. That's why I have the Warcomp. For my 6ARC I'm gonna do YHM QD Flash Hider for when the R2 RESONATOR-K gets out if jail

[@SuperJlarge]

Ronnie Smith It’s more than that. For an AR, it definitely helps to control the rifle. In the video, the shooter was getting vertical stringing, which could have been due to not controlling the rifle during the firing sequence. The brake reduced muzzle rise, which reduced the vertical. The second effect is due to changing the harmonics of the barrel. Anytime you add weight to the muzzle of a barrel you will change the harmonics of the barrel.

[@PistolasFritas]

I just got rounds from Hornady. Waiting for CMMG and Wilson Combat to send me their 6 mm ARC to make a video. Very cool set up video Best Regards

[@ACGBLR]

This is a very interesting cartridge! Looking forward to more of your testing

[@jonnybgoode7742]

Glad to see the asc mags work well.

[@rdsii64]

Its been a minute brother. I'm looking real hard at this caliber. I'm going to wait for the new round growing pains to get worked out first. Anyway great to see new stuff.

[@MrRebar15]

*Kotaboy32 Tactical* yes sir that hits with authority, thank-you for taking the time to show us. God Bless.

[@andy347495]

I just happen to come across this again, definitely some vertical stringing there. This is a testament of how important recoil management is. As soon as you put the muzzle break on there is less recoil and your groups shrink and you lose the vertical stringing. With a proper rest you could shrink the groups even more.

[@andy347495]

I would put money on that your rest is causing you some accuracy issues also.

[@witkr904]

Agree 100%. Way to close to the action… fancy fore guard does nothing for accuracy.

[@charliebrownsd]

"You can't make the 223/556 rifle any louder....." Hold my beer....

[@mustanghuey89]

Great shooting you can definitely tighten up with specific loading.

[@ThecrazyScotsman]

Looks good so far I know you'll get it dialed in nicely

[@ngf7525]

Really hope this round takes off

[@Q9X75]

Great videos on both the 6mm ARC and the 300 Ham'r, how about a shoot-off / comparison of the two rounds.

[@TheBvirgilio86]

I'd have to think shooting on bags or a foreward mounted bipod would yield a little better consistency without the brake. I know that's a nice rest you have there and the table probably isn't long enough for optimal foreward clamping but I know you could increase accuracy by changing the setup. Edit: I stopped the video to comment 10 seconds before you said the Arca rail was coming. Very nice.

[@BuckFoeJiden]

Barrel harmonics matter. I dropped a 5/8x24 to 5/8x24 adapter between my flash hider and the barrel of my LR308, and it dropped the group size from ~1 MOA to 0.3 MOA.

[@rdm1000]

KB is this the rig that Ray has permanently borrowed? Between the two of you I can see why. It is a very nice set up. 6 ARC has joined the party and it seems that all the boys want to take her out. I feel for 6.5 Creedmoor. She had climbed the mountain and was the darling , and now she's getting pushed aside. Well, I think there is still room for the Creedmoor, but I have to say, I tried the 6 ARC and we got along well. Thanks for the show.

[@brianmadlock8385]

This is definitely my next build! I think this is An amazing round! I was all set to build a grendel and then Hornady released this round... I want it just for long range target... Can you try it a past a 1000yd? Are there any higher bc bullets available? I wonder if blackjack bullets is making any? Thank you for the great videos

[@Vamike9]

Good video Kotaboy, long range is addictive!

[@jcnikoley]

Adding/removing a muzzle device changes the barrel harmonics which can change accuracy/poi. I find adding a muzzle device more often improves accuracy in my tests similar to what you saw in your first 2 groups.

[@paulhughes3961]

I've watched as many videos and read a lot of information about the 6mm ARC and it's all good. Think I know what my next build will be. Nice shooting!

[@electroniccheeks]

I think Hornady did a very good job in testing this round.

[@batmandeltaforce]

Hornady NAILED it with this cartridge, which is very likely the next standard military round.

[@mylesharvey6488]

I wish. The US military is so set on 7mm with the 277 fury they are wasting money.

[@MrJalowery]

Great shooting! I see that can of EEZOX by your range bag too. I love that stuff!

[@jeromyknepp6643]

Kotaboy, you should come up for one of our competitions with that thing and see how ya fair. I would be interested in seeing its performace.

[@Marcus2750-u1t]

KB Im loving my ARC Im handloading and what a difference man you will love it.

[@kotaboy32]

I'm looking forward to developing loads for it. It's got a lot of advantage over the other rounds

[@kjnolder]

What velocity’s are you getting from what barrel length ?

[@Marcus2750-u1t]

Kameronaise Im shooting a 24” barrel and hitting a lil over 3000 fps at moment.

[@kjnolder]

@@Marcus2750-u1t Amazing, I love it. Amazing what handloading will do. CFE 223?

[@ronaldwilson3503]

When I got into the 6.5 Grendel I couldn't shake why not a 6mm (.243). I just wanted a legal for deer AR upper in Virginia. 300 blackout was in impressive.

[@charlesmckinley29]

Looking forward to the hand loads and getting the calculations all dial in. It looks very promising.

[@BuckFoeJiden]

Looking into a 6mm ARC SPR build myself. Thanks for the info!!

[@JGoodZX6R]

Debating a 16” or 18” barrel for 1000 yards. What velocity were you getting with the 18” and 108’s?

[@theelwhastrummer7166]

I like how energetic that 6ARC is at 1000 yards. Gonna get me an upper with a good quality barrel. My AR-10 .308 is a lot of fun, but it's heavy compared to my AR-15. I'll be able to reach way out there, and not get tired carrying my rifle back to the truck LOL

[@SocialRegressive]

Hot dang. That's night and day. Your first group looks like what I was getting from the 20" barrel.

[@mapled3135]

What’s up with that stringing without the muzzle brake?

[@dirtpile]

would like to know the physics behind that too!

[@michaelficarro2591]

barrel harmonics...

[@richardbriscoe8563]

There is still vertical with the muzzle brake installed, although a lot less. There is something wrong with the rifle, probably the fire control system.

[@Vamike9]

Sometimes on a hard surface/bench, the fore-end can jump during recoil. If not this, you have to check the free-floated bbl to make sure that there's no contact being made?... My guess is it's the fore-end jumping more due to more recoil without the brake...

[@blazerbarrel2]

Yes , once adjusted , use holds .

[@bangvupham6410]

what velocity did you get with this barrel shooting the 108 eld?

[@joyroc885]

I like to see more or a barrier test with the 6mm arc vs the 6.5G. I have no question that its accurate as most all 6mm and 6.5mm rounds are. The main reason for the 6mm was it was suppose to handle barriers better. I question how much better it will handle barriers compared to 6.5g. Can we make this happen?

[@kotaboy32]

In the future yes

[@olalabamahillbilly9677]

So far so good! It look good, the better ammunition should give you the better grouping you are looking for! But overall the test was interesting!

[@frankwrogg2515]

That is a fantastic rifle, one of your best!!

[@ShowemRight]

I like when you do this, its like a series of sorts, and what glass you running for this?

[@kotaboy32]

Primary Arms Platinum 6-30

[@ShowemRight]

@@kotaboy32 thanx

[@rockjohnson2879]

Thanks for the video.. 6mm arc. seems to be a winner.

[@stultsn]

Great video! How much better is this round over the 6.5 grendel? Because I love my 20 inch grendel sub moa gas gun. It’s so much fun.

[@kjnolder]

Nathan Stults I think they are both pretty equal. Man I love my 6.5 Grendel. I can shoot 50 yards to 1000 yards and not even rotate the elevation turret one time around. Really hard to beat the grendel and arcs cartridge in general

[@Brimwald]

​@@kjnolder what barrel length do you need to get to 1,000 yards?

[@MTCKIE68]

When you are trying to make sure how accurate the rifle is, I'm wondering why you don't use the sled you have that minimizes the human factor ?

[@Nylonscheme]

It’s on a very nice piece of kit resting , the human factor is the most important part, his accuracy not just the rifles

[@brandonlefebvre9365]

KB, how long is that barrel? Putting the gun specs in the description would be a big help but I know that's probably a pain in the butt. Great shooting brother. I use KB32 discount code all the time. Hope its helping fund your channel!

[@Shadow6a]

Very nice, I'll take 2 of em! Thanks in advance.

[@tomcooke6670]

I would've to see this same test with the 6 stc in a custom bolt action

[@shannonnunn]

Reloads are the only way to make that dude shine..

[@Johnyrocket70]

Enter the correction into the calculator validation then it will fix all ranges.

[@WilliamEllison]

What were the numbers for each range. I heard 5.2 at 700. Can you list them

[@ronaldwilson3503]

Those misses at 800 was a nice group.

[@Glove513]

I was thinking the same thing.

[@silverback3926]

Seriously interested in its ability to overcome barriers and how it does in the brush. More about its combat lethality

[@frankgrillo8094]

Im inspired also, waitng on a 22in bbl build on a carbine upper 😊

[@hawaiiangunner]

Your patience is so much better than mine. If my rifle was stringing shots like that I'd be pulling my fucking hair out! Especially after I put a muzzle brake on it and the group tightens up! Grrrrrrr!!!! Hopefully those reloads tighten up those groups!!! Good luck brother!!! as usual awesome video!!!😎😁 I'm going to wait a few years before I jump into 6arc. For me there's just not enough data and components available right now to make it worth my time. I have seen a ton of shity groups from Hornady Factory ammo for the 6arc. Just for fun you should pull one of the heads and weigh the powder charge. I'd be curious to see how much powder they're putting in those cases and what type of powder it is. Waiting for awhile saved my ass on the 224 Valkyrie. Thank God I didn't jump into that mess!

[@SnipeU696]

Thank you.

[@k5wxp22]

Man, I wish we had a range like that! Nice video, sweet rifle! 👍 I am curious... what magnification do you run at 1000? I know things get pretty shaky with a high magnification.

[@kip6006]

I usually use 12-15x on 1k

[@konaboss83]

Nice build & great shooting my breathing still needs work

[@granddad-mv5ef]

My favorite type of video!

[@acesfan29]

Great shooting, I just subbed to your channel. Best regards, Ben.

[@kotaboy32]

Welcome Ben!!

[@kidjetrecon7153]

I like climbing the latter without muzzle brake. Looked like 1/4 mic ah

[@Jerry-Parker]

Those other guys were having what, an Amway meeting or something LOL. Nice shooting !👍

[@kotaboy32]

No shit, the elders of the club. We respect the non the less

[@michaelugarte81]

What tripod are you using?

[@NoGoBu]

I like it, I'd prefer 20" 100 grain bullet bump velocity to 2700fps. W.S.U. ? Great vid 😃

[@0661mike]

I'm curious about this rounds capability in a short light compressed configuration out to range

[@kjnolder]

This wasn't the Proof barrel in your previous video was it?

[@kotaboy32]

No, this is chambered in 6mm arc. The other was 5.56

[@martinneuman9736]

What are the specs on this AR and the optics as well?

[@uralbob1]

Great! Thanks!

[@Nylonscheme]

WHAT IS THAT REST ? I want one!

[@InSightFreedom]

Going to be a sweet build

[@thepoorfarmer8829]

Kotaboy what range are you shooting? I’m in Sampson Co NC and I think you’re from the Charlotte area? Anyway I just got my new 6mm ARC in a complete Uintah Precision Bolt Action upper. Got a hornady die otw for the arc and 1000 rounds of the eld 108’s. Would love to get together sometime do some shooting. Can’t wait to form the brass and see what the ARC is capable of with handloads.

[@kotaboy32]

That range is up in Pennsylvania

[@thepoorfarmer8829]

Kotaboy32 Tactical I have the bolt action upper and a complete 24” Aero Precision upper on back order. I want to put the two up together bolt ARC vs Gas ARC. If you’re interested I’d love to collaborate on making a comparison review of the two.

[@chadallen2662]

What optic were you running?

[@SbrGrendel65]

Such a soft shooting cartridge, I have high hopes for it. With factory ammo are you getting Sub MOA or at MOA? I’m definitely gonna build a 6mm ARC I just need to figure out what barrel I want to go with. At first I was gonna go with a Proof but I’m not a 100% sure about that. For the $ I’m think there might be better options. I was looking at the Stainless version, but who knows 😂

[@rustynut1967]

Is the lighter barrel worth the lighter wallet? If you plan on carrying it a distance it might be. I just ordered a 22" SS barrel without fluting from Compass Lake Engineering. I'm cheap but like accuracy.

[@BJWeed1]

Awsome shooting!

[@BOHEMIANHUNTINGCLUB]

Not too bad at all nice job!👍🍻

[@timyang4710]

what range is this? it looks fun. I want to go shoot here.

[@joeygreen7854]

The video quality was great. The accuracy and ability of the round in an AR platform looks to be very over hyped.

[@BuckFoeJiden]

Carbon fiber barrels are notorious for losing accuracy when they get hot. I'll run steel all day long before I go carbon fiber.

[@chrishoesel]

Great shooting! My next AR build will be in this caliber. Question, what's the camera system you're using to record the targets?

[@channeellll7623]

Would be tighter if you held and stabilized the front of the gun.

[@dalestephan6777]

Well there was a lot of media hype about the 224 3 yrs ago..now it's a ghost bullet. Lol Think I wait & see.🙂

[@jeremy67A]

I'd like to see the accuracy of some of your target rifles with your hand loads. Should be much better.

[@kotaboy32]

Hey Jeremy, how have you been

[@tylerfecho4454]

What scope?

[@phide01]

What rang is that?

[@iam5692]

Is this the militaries new chice of caliber?

[@charlesmckinley29]

It’s been adopted for a special group of some type. Now to see if DOD expands it or it dies out like the 6.8.

[@AntiPattern328]

The Hornady Black shot like crap for me. The 103 grain ELD-X is by far the best.

[@beretta989]

Brake sure helps.

[@d307p]

Great shooting

[@bryanduchane2371]

This is the gun you should take to Snipers Unknown.....

[@smithnwesson990]

Military refuses to wise up and adopt a 6mm AR15 Caliber. Instead they want to go 6.8x51 high pressure in an AR10. So more recoil and less mag capacity all in the name of armor penetration 🤦

[@Gmar69]

You're good in my books. Go out to 2000 yards dude...

[@garyjohns4711]

KATABOY COMEDY SHOW

[@Ske3849qw]

That’s some foul groups. I’m not sold on the rest. Why not bag it.

[@TheLibertyCompanyLLC]

you were hitting the stand at 800 like clockwork. come up a little more there's nothing wrong with the accuracy.

[@RayBlackburn]

At 0.55 shows why I never adjust my turrets and once sighted in at 100 yards I can take it to 1000 yards with no turret adjustments But then my 7mm08 seems to be 1000% more accurate than any other rifle I have ever seen on you tube so maybe that's it LOL Actually it is not that and the fact I never used a scope for like the first 30 years I was shooting rifles made it where when I did get a scope I treated it just like my iron sights of which I would also sight in at 100 yards then shoot a bulls eye at 1000 yards with no adjustments either People on the rifle range would see me do that and comment, WOW you know all about that Kentucky windage !! Then I would have to mention, I ain't never been to Kentucky before, do they have a lot of wind like Texas? LOL

[@Nylonscheme]

Your a natural.

[@KentuckyReef]

We can see who makes all of the money, with that big can of EEZOX!!!

[@kotaboy32]

Lol

[@nosurrender4824]

Kill shot at 1000????

[@TexasTrained]

Not impressed with PR barrels

[@jsgll...godgunsliberty2025]

you lost me in the edit from 3.1-5.1

[@keffjordan4830]

I don't like mils

[@whiskeytangosierra6]

Lost me at the words "muzzle brake". I truly hate those things on the range, and I am sure elsewhere. Until I shot a .300 WinMag I had not experienced enough recoil to even think of one. Now every other rifle out there is blasting their neighbors' in the face because the gun owner is a wuss.

[@Dustysa4]

Yeah, it really sucks being able to see downrange immediately after the shot.