PSA 16" Mid-Length 5.56 NATO 1/7 Nitride 13" Lightweight Hex M-Lok MOE EPT Rifle w/MBUS Sight Set, FDE

Barrel : Chrome-moly vanadium steel barrel chambered in 5.56 NATO, with a 1:7 twist rate, M4 barrel extension, and a mid-length gas system. This A2 profile phosphate barrel is finished off with a PSA 13.5" Hex Full Picatinny M-Lok Free Float Rail, low-profile gas block, and A2 flash hider. Upper : Forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized. Uppers include forward assist and dust cover. These uppers are made for us right here in the USA by a mil-spec manufacturer. Bolt Carrier Group : Full-auto profile bolt carrier group. Shot-peened, mil-spec Carpenter 158 steel bolt. Gas Key Hardened to USGI Specifications, fastened with Grade 8 screws, and Staked Per Mil-Spec. The carrier is an 8620 steel M-16 full-auto profile. Lower : These forged lowers are quality made using 7075-T6 aluminum and are marked "MULTI" for the caliber. The finish is hard-coat anodized. The Mil-spec diameter 7075-T6 buffer tube is hard-coat anodized with 6 adjustment positions and is fitted with a Flat Dark Earth MOE Carbine Stock, Magpul grip, and Enhanced Polished Trigger (EPT). Backup Sights: Magpul MBUS Front and Rear Sight, Black