PSA 20" Rifle Length 5.56 NATO 1:7 Freedom Upper with BCG and Charging Handle - 7781740

Overview

This 20-inch upper receiver assembly is chambered in 5.56 NATO and features a rifle-length gas system. The barrel is constructed from chrome moly vanadium steel with a 1:7 twist, finished in nitride for enhanced durability. It is equipped with a .750-inch F-marked front sight base, PSA classic handguards, and an A2 flash hider. The forged 7075-T6 A3 upper receiver is hard-coat anodized black and built to MIL-SPEC standards. The included bolt carrier group features an 8620 steel M16-profile carrier and a shot-peened Carpenter 158 steel bolt. The gas key is secured with grade 8 fasteners and staked per military specifications.

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