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<p><strong>Barrel</strong>: 7" 4150V chrome moly steel. Chambered in 300 Blackout, with a 1:8 twist rate, M4 barrel extension, and a pistol-length gas system.&nbsp; The barrel is phosphate treated and finished off with a PSA 6" Lightweight Hex Full Picatinny M-Lok Free Float Rail, a .750" low-profile gas block, and an A2 style flash hider.</p>
<p><strong>Upper</strong>: 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.</p>
<p><strong>Bolt</strong>: Full-auto profile bolt carrier group. Shot-peened, mil-spec Carpenter No. 158&reg; steel bolt. Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec.&nbsp;</p>
Save on PSA 7" 300AAC 1/7 Phosphate 6" Lightweight Hex M-Lok Upper W/BCG & Charging Handle with a Palmetto State Armory coupon
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