it looks like the 6mm ARC is 1.490 and the grendel case is 1.52, so not much of a shortening if really at all. Here I am shooting a Smith & Wesson M&P chambered 5.56x45mm. ), 6mm ARC brass (new), 6.5x47 (New) Sierra 6mm Gamechanger 90gr and 6.5 130gr Gamechanger, Update on my BadRock 6mm ARC bolt gun and new Hornady Podcast, Custom 700 in 6mm Norma BR (ARC, Timney, Bartlein) *Price drop*. Check one out and join the race to the bottom. 6mm ARC | Handloader Magazine Of course, handloading the 6mm Creedmoor is a reloaders dream. We show you how. The benchrest crowd has not been overlooked in the 6mm derby, and one cartridge literally rewrote the record book. Posted: 11/11/2012 6:04:07 PM EST [#2] Velocity with a 105gr bullet from both is 2750 fps. The new Mossberg rifles chambered for the new 6mm ARC should give similar results with even less recoil -- not that the old 243 Win. Retested today with 26.3 grs. After entering my measured capacities, measured muzzle velocity with 27 grains of VARGET under the 108 ELD-M of 2554 is now within 2 FPS of Quickloads estimated 2552 FPS. No knobs, just a hold using the reticle, find it, read the wind, hold, and press, adjust as needed and repeat. If I was gonna go to a 6mm cartridge I would either do 6x47lapua because I already brass and all I need is a smaller neck bushing, or I would go all in on 6br. 6MM ARC AR-15 Barrels for Sale at Joe Bob Outfitters! L. to R. are Berger 95-gr. All barrels will be . GD. It doesn't need a .308 sized action to work. The 6 ARC can be built on mini actions such as the CZ 527, Howa Mini, Sako AI. However, the 6mm BR is superior at 300m and beyond. 223 Rem., and most other cartridges that fit AR-15 length magazines and rifles. (Ret.) Some tactics never die, they just get regenerated. Aug 11, 2020 . Using already available magazines, bolts and the AR15 platform is a big plus. Given this or your typical AR10, no contest, the 6 ARC is much easier to carry. Excessive recoil, debilitating blast, and marked overpressure remain its claim to fame, thereby making it unsuitable for comparison for most of us. Only a few metric calibers have been really popular in the United States6.5mm and 7mmso the Great 6mms are relatively few in number. Click here to view the cartridge and chamber print on the SAAMI website. Make sure to watch till the end. However, I would not want to carry it far. GD. There aren't any markings on the barrel, but it was advertised as being a 6 BR REM and the reloads that came with it seemed to chamber fine when the barrel was still attached to the action. 6mm ARC is so new that as of the writing of this article, published load data did not exist! Barrel-length is an issue. case necked up, made especially for ARs. Then theres Hornadys new 300 PRC, Weatherbys 6.5-300 Weatherby, and several more modern speed demons. The 6.5 Grendel was made by modifying the 220 Russian parent case.
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6mm arc vs 6mm br