PSA GEN2 PA10 20" RIFLE LENGTH .308 WIN 1:10 SS 15" M-LOK UPPER WITH NICKEL BORON BCG AND CH

PSA Gen2 PA10 20" Rifle Length .308 WIN Stainless Steel Lightweight M-Lok Precision Upper - 516446385 Barrel: 20" Barrel Machined from 416R stainless steel, chambered in .308 WIN with a 1:10 twist rate and a rifle length gas system.  Upper is paired with a PSA 15" Lightweight M-Lok free float rail, .750 gas block, and an A2-style muzzle device. Upper:  Precision machined from forged 7075-T6 aluminum, then black anodize hardcoated to MIL-8625 Type 3 class 2.    Bolt Carrier Group:  PA-10 Nickel Boron bolt carrier group.   9310 steel Nickel Boron coated bolt, 8620 Nickel Boron coated steel Carrier, Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked per Mil-Spec.  Includes charging handle.