Black Dawn 20" AR-15 Barrel .223 Remington/5.56 NATO 1:9 Twist HBAR Target Crown Black BDR-B20HT

Black Dawn
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This Black Dawn AR-15 barrel is 20" in length, and features an HBAR profile. Made from 4140 chrome vanadium steel, it has a 1:9" twist rate and M4 feed ramps for reliability. The 11 degree target crown makes this barrel exceptionally accurate, and the standard .750" gas block shoulder is ready to accept any standard gas block.

Any standard AR-15 upper receiver