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<p><strong>Barrel</strong>: The 7.5" 4150V Chrome Moly Vanadium steel Phosphate barrel is chambered in 300 Blackout, with a 1:8 twist, M4 barrel extension, and a pistol-length gas system. The barrel is finished with a .750" diameter low-profile gas block, PSA 7" Lightweight M-LOK Free Float Rail and an A2 flash hider.</p> <p><strong>Upper</strong>: Forged 7075-T6 A3 AR upper is hard coat anodized black for durability. Featuring M4 feed ramp cuts, these upper receivers are made for us right here in the USA.</p> <p> </p><p><strong>Bolt Carrier Group and Charging Handle not included</strong></p>

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