Mar 17, 2020 · I hadn't seen this posted here yet, but SAAMI added a 6mm Grendel derivative called the 6mm Advanced Rifle Cartridge or 6mm ARC to their newly accepted cartridges list.6mm ARC SAAMI introductionThe ca

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Dec 15, 2017 · Robert Whitely's 6mmAR site is the best source of information IMO for AR-15 based 6mm's. You will be able to flirt with close to 30 grains of powder with some of his chamberings.

Oct 27, 2011 · Just curious to know whether anyone is shooting the 6mm AR Turbo 40 Improved? It's a Grendel wildcat necked down to 6mm. I've heard this offers a bit more long range performance than the Grendel.

Nov 1, 2014 · Quoted: I planning to build a pair of AR uppers for my wife and I to use in tactical competition next year. Right now I'm leaning towards the .240 Tomahawk from Keystone Accuracy, with a 243 LBC barrel from Black Hole as a close second. The 240 Tomahawk is a 6.8 necked down to 6mm and improved, and the 243 LBC is a 6.5 Grendel necked down. It's almost identical to the 6mmAR. I know these aren ...

Jan 2, 2012 · hey yall, need a bit of help with my next build (a longer range varmint/deer AR). grand scheme of things would entail a side charging upper with about a 22-24" bbl. i think i narrowed my caliber that i would like down to the 6.5 Grendel cartrige, but i am running into a snag. is the 6.5G and the .264LBC one and the same cartrige spec-wise? i'm also considering going the way of a wildcat-based ...

Jun 3, 2006 · The advantage of the 6mmAR is that it gives you a much broader choice of bullets (115 DTAC, 105 Scenar, 105 Berger BT match, 105 Berger VLD, 105 JLK, 100/106 Clinch River, 107 Sierra, 108 Euber, 108 BIB, 107 SMK, 95 Berger, 95 BIB, 90gr Scenar, 87 Hornady, 80 Fowler etc.), AND it looks like it will give you about 120-130 more FPS in an AR ...

Jul 19, 2011 · Whitely stocked "6mmAR" magazines and may still have some, however, they are simply C-Product mags at double the going price. Probably triple now that they are out of business.

Mar 28, 2009 · Yes, the 6mmAR does have an advantage over the .223 in long range ballistics (600-1000 yards) however, you will still be at a distinct disadvantage to the other shooters on the line with dedicated long range rifles.

Mar 19, 2009 · I dont need anybody to tell me that I am an idiot for buying a 6ppc or the 6mmar. I am learning that on my own. Both were bargins!!!! Yes I got bolts one MPI for the 6ppc and the 6mmar came with a bolt headspaced to it know idea of make but looks just like the MPI (firing pin hole and firing pin) Finding on the 6ppc in like hens teeth. There is more on the 6mmar (243 Grendel). So any body else ...