Comments on: New 30 ARX — 6.5 Grendel Necked to .30 Caliber Beats 300 BLK

By: Aaron M

Aaron M — Sun, 11 Mar 2018 10:58:57 +0000

I can see how this will be valuable for AR15 owners. The velocities are near identical to my 7.62×39 bolt gun rounds though, I even use the equivalent Australian powder, AR2207.

By: Harold

Harold — Sun, 01 Oct 2017 20:47:52 +0000

I think about 90% of the commenters here misunderstand what the .30ARX (.30-6.5 Grendel) is & what it’s for.
1) It can make major power factor for USPSA 3-Gun matches, while allowing the use of the lighter, handier AR15 platform instead of the big, bulky AR10.
2) It turns the AR into a legitimate hunting rifle, with ballistics exceeding the old .30-30 round.
At these tasks, it excels. It does not have the exterior ballistics of the 6.5 Grendel for mid-to-long range target shooting, however. If you understand its purpose and are willing to spend the time & money it takes to operate it, it is most rewarding. I really wish some one would legitimize this round with SAAMI & start chambering rifles for it & making factory ammo. The .30RemAR was a good idea, but was too proprietary and failed. I think the .30ARX would fair better.
It is NOT a 7.62×39 Improved! There are differences in the case head between the 7.62 & the .30ARX’s parent case.
There IS increased bolt thrust, which stresses the small AR15 bolt, but you’re not going to be stuck in the middle of Afghanistan without supply with your .30ARX! Buy a new bolt! Keep one as a spare! Change them regularly! They’re like $65!
“There’s no cheap surplus ammo!” No shit, Sherlock – it’s a wildcat cartridge! Think Mom & Pop Hardware in BFE, AR is going to carry your tacticool .300BLK? Yeah, not so much. If one is savvy enough to have a .30ARX, they probably have a 5.56 as well to blast away with cheap, available ammo.
The .300BLK was designed, originally, by J.D. Jones as a subsonic round, the .300 Whisper. Launching 200+ grain bullets below the speed of sound out of suppressed rifles is its specialty. Try to go supersonic & it’s not much more than the .30 Carbine. Yes, I know all about the “it only requires a barrel change” nonsense. Who takes off their barrel nut every time you want to change calibers? Who only has 1 magazine? It’s also not good to swap bolts between barrels: it can create uneven wear patterns that may lead to premature failure. 5.56 bolts are $40. Buy one for use with your pre-assembled .300BLK upper…
Anytime you stray outside of original design parameters, you invite issues. Using a larger base diameter round in an AR15 platform can cause malfunctions. Modifying the feed ramps on the barrel & upper receiver cures this right up. You’re already going to have to ream the chamber (and/or install a custom barrel), take a Dremel and deepen & widen the feed ramps. Then buy a couple of 6.5 magazines & you’re GTG. Large rounds like the .458SOCOM usually require major modifications to the feed ramp & magazine to work properly.
Anyway, if you don’t understand it or don’t like it, don’t buy it! Just get what ever overpriced tacticool garbage the fake “operators” on YouTube recommend & dress all up in your multi-cam so you can look like a complete douche-bag on the range.

By: Gene

Gene — Thu, 17 Aug 2017 00:35:10 +0000

Interesting …with all the less than stellar commentary regarding the 7.62×39 cartridge , and it’s “short-comings”, it’s very apparent to me that very few of you ballistic experts have ever been hit by one of those poorly performing Soviet rounds . Oh ; and BTW , they will drop a deer at 250 yards . The meat is in my freezer .
Wildcat rounds and odd-ball loads don’t compensate for a poorly designed firearm . Casey Stoners original design worked very well , but some morons in the District of Corruption had to fix it.

By: Gerald

Gerald — Wed, 16 Aug 2017 01:51:42 +0000

.338 and .366 would bring the ar to it’s full potential. Speedy to subsonic. Would be devastating in a SBR and carbine.

By: Gerald

Gerald — Wed, 16 Aug 2017 01:48:55 +0000

The Grendel case would be a great platform for .338 or .366(9.3). With there higher BC and SD. But to take full advantage the would do better shortened a bit to accommodate the longer bullets without intruding into the case. The 9.3 would be a lower velocity round but would be very suitable for close to medium range and very good at subsonic with it’s 232 to 320 gr long bullets. The .338 could be speedy with 160 to subsonic neatly 300 gr. Would be devastating in and SBR for either.

By: Joe

Joe — Sat, 25 Mar 2017 23:17:01 +0000

Could you recut a 7.62×39 AR chamber into a 30ARX? Thrifty crowd wants to know

By: Bruce

Bruce — Thu, 23 Mar 2017 10:32:01 +0000

7.62 x 39, Ackley improved”?

As the old song goes:

“The World is a Circle”.

By: FSchorken

FSchorken — Thu, 15 Sep 2016 18:52:53 +0000

I have a 28″6.5 Sportswear (Grendel) SS 1″ bull barrel, on my AR 15. What do I need to do to it to shoot the round?

By: keith childs

keith childs — Thu, 11 Feb 2016 04:37:54 +0000

the 308 arrow has been out for years, which this is an exact copy

By: PaulS

PaulS — Fri, 05 Feb 2016 00:41:35 +0000

Can 7.62×39 brass cased cartridges be fire-formed in a 30 ARX chamber? Perhaps Jamez can answer this…