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M-4 Barreled Upper
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M-4 Barreled Upper
Post and Pre-ban M-4 style Uppers
AR 15 barrel made from 4140 chrome-moly steel, 16” M-4 barrel is mounted on aircraft quality aluminum upper. Barrels are plated evenly with tough parkerized finish. Comes fully assembled (minus bolt/carrier and charging handle) with forward assist, ejection port cover assembly, gas tube assembly and heat shielded hand guards. Now available in 1x9 or 1x7 twist rate. Comes with M-4 feed ramps. Chambered in 5.56 NATO so it can fire both .223 and 5.56mm rounds.