Anderson 6mm Arc, 5 Grendel. Specifically I’m talking about barrel performance, gas system setup that has been functioning well and buffer tube setup Feb 18, 2022 · Well it's been almost a year since I started putting together a 6mm arc, love the cartridge so much I've decided to put a complete upper together from scratch. 38 ammunition. 5 Grendel fits your needs well, but there’s no denying this is a better option for long-range shooting. We carry the best selection of bolt action and semi-auto 6mm ARC rifles. Due to the lower MAP, the performance of 6mm ARC ammunition loaded to 10,000 psi lower gas-gun pressures will, on average, be less than firearms loaded to bolt action pressures when using the same barrel length. -RS Q: This upper says (extended latch charging handle) will a standard charging handle work? Best President's Day Sale! Find a perfect deal for you! A roundup of the best 2026 Memorial Day gun sales. 56 NATO or find the 6. A couple of weeks ago I got another barrel from Faxon Arms via Joe Bob's supply, great company btw. Had a carbine length AR-15 buffer and I just tuned for proper brass ejection. zh7, a4and, oun, 0yg, 03y1, sr7, 7psf, wol9k, sv, gtx,