PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride MOE EPT AR-15 PistolW/HAR-15 Brace, Black

Barrel: Chrome Moly steel. Chambered in 5.56 NATO, with a 1/7 twist, M4 barrel extension, and a carbine-length gas system. Barrel is finished off with a Magpul MOE Carbine handguard, F-Marked gas sight base, 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: Full-auto profile bolt carrier group. Shot-peened, mil-spec Carpenter No. 158? steel bolt. Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec. 8620 steel M-16 profile carrier is chrome-lined and phosphate coated.Lower: These forged lowers are quality made using 7075-T6 aluminum and are marked "MULTI" for caliber. Finish is hardcoat anodize. Finished with a Magpul Grip and an H&R HAR-15 Adjustable Pistol Stabilizing Blade. The the fire control group is a PSA enhanced polished trigger (EPT), single-stage assembly.Includes: Magpul MBUS Rear Backup Sight, Black