PSA 16" Mid-Length 5.56 NATO 1/7 Nitride Freedom Rifle, Olive Drab Green - 5165450007

Barrel: Chrome Moly steel. Nitride treated and chambered in 5.56 NATO, with a 1/7 twist, M4 barrel extension, and a mid-length gas system.  Barrel is finished off with a classic ODG mid-length 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.. Mil-spec diameter 7075-T6 buffer tube is hardcoat anodized, has 6 adjustment positions, is fitted with a PSA M4 Carbine Stock.   The the fire control group is a PSA mil-spec finished, single-stage assembly.