Description
This BCA AR-15 Complete Upper has a 20″ barrel with a Heavy Barrel profile, made of 4150 Chrome Vanadium with a Black Nitride finish, and features a 1:7 Twist Rate, a Rifle length gas system
The Upper includes a 17″ MLOK gen 3 Rail, an M4 flat-top forged upper receiver with forwarding assist, a BCA Bolt Carrier Group, a Flash Hider, and a right side Charging Handle. It is chambered in 5.56 NATO and machined with M4 feed ramps in the barrel extension.
This BCA AR-15 Complete Upper, like all BCA products, is subjected to numerous QA/QC checks which for our firearms and complete upper receiver assemblies includes test firing prior to approval and shipment.



