The BCA Complete Upper Assembly has a 16″ 4150 Black Nitride barrel, 1:10 twist rate and a 15″ M-LOK. This complete upper receiver is chambered in 9MM and comes with a BCA BCG and rear charging handle.
GLOCK MAGAZINE COMPATIBLE ONLY
The BCA upper assembly, like all BCA products, is subjected to numerous QA/QC checks which for our firearms and upper receiver assemblies includes test firing prior to approval and shipment. This upper assembly is also backed by our BCA limited lifetime warranty. Choose an upper assembly designed by a U.S. company and made in the U.S.A. Choose BCA.
BCA DOES NOT recommend using steel cased ammo in our Assemblies or Rifles.
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||1/2 x 36|
|Gas Block System||No|
|Gas Hole Diameter||No|
|Charging Style||Rear Charging|