<p><strong>Barrel</strong>: 4150V Chrom Moly steel. Chambered in 5.56 NATO, with a 1/7 twist, M4 barrel extension, and a carbine-length gas system. This M4 profile barrel is finished off with a A1 Style Triangle Handguard, F-Marked gas sight base, and A2 flash hider.</p>
<p><strong>Upper</strong>: Forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized. These uppers are made for us right here in the USA by a mil-spec manufacturer.</p>
<p><strong>Bolt</strong>: Full-auto profile bolt carrier group. Milspec Carpenter No. 158&reg; steel bolt, Shot Peened, High pressure tested, Mag particle inspected, 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.<br /><br /><strong>** These uppers will have cosmetic blemishes that do not affect function. This may include but is not limited to, forging marks under the finish, scratches, and slight variations in the finish color coat.**</strong></p>
Save on BLEM PSA 16" M4 5.56 NATO 1/7 Nitride Triangle Classic Upper With BCG, CH and Carry Handle, Black with a Palmetto State Armory promo code