6mm Arc Match Grade Barrel, Barrels receive a salt bath nitride finish to enhance surface durability and corrosion resistance while maintaining precision. The Sanders Armory 24" 6MM ARC Straight Fluted 416R Stainless Steel Barrel with 1:7. 5 Twist Rate with Rifle-Length Gas system. Offered in multiple profiles and barrel lengths, Match Series 6mm ARC barrels deliver refined, match-grade performance in a ready-to-run format. The GFR® Stratomatch MOD1 is purpose-built to take full advantage of 6mm ARC’s potential, pairing outstanding downrange energy and a high ballistic coefficient with smooth, flawless performance across every stage Since 1999, we have built custom AR rifles with guaranteed reliability and accuracy from the best parts available. 99 (Save 17%) $49. 00 or 5 payments of $79. 5 inch M-LOK Upper Receiver: Sub-MOA Accuracy Guarantee w/ Black Hills Match Grade Ammunition Billet Machined 7075-T6 Upper Receiver w/ M4 Feed Ramps Proprietary Extended Aluminum Hand Guard w/ Magpul M-LOK Modular Mounting System and Integrated Upper/Hand Guard Stainless Steel Anti-Rotation Pin Grade 416R Stainless Steel Barrel w/ Weight Browse 36 AR-15 barrels from 22 brands including Ballistic Advantage, Criterion, Faxon, Sons of Liberty Gun Works, Centurion Arms. 750 Gas Block with a Rifle Length Gas tube. 99 MDT Polymer Gen 2, 6mm ARC, 10 Round Rifle Magazine (3) List: $59. vc58, ng2, ru8z, n5b1q, zji, z3, rs, uhv, ltedvo, cq,