PSA 10.5" Carbine-Length 5.56 NATO 1/7 Nitride 12" Slant M-lok Upper - With BCG, CH, & MBUS Sight Set - 5165449684

Overview

This Palmetto State Armory complete upper assembly features a 10.5-inch 4150V Chrome Moly Vanadium steel barrel with a melonite finish, chambered in 5.56 NATO with a 1:7 twist rate and a carbine-length gas system. The barrel is fitted with a low-profile gas block, a PSA 12-inch Slant End M-LOK rail, and a fluted 6061 aluminum flash can designed to direct gases and noise forward. The forged 7075-T6 A3 upper receiver is hard-coat anodized black and houses a bolt carrier group built with a mil-spec shot-peened Carpenter 158 steel bolt, a parkerized exterior, a chrome-lined interior, and a properly staked gas key. A Magpul MBUS black sight set is included.

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