BCA Andean Bear AR-15 Complete Upper Assembly, 16" 4150 Parkerized M4 Contour Barrel, 5.56 NATO, Mid Length Gas System, 1:7 Twist w/ 15" Lightweight Keymod
- 16" Parkerized 4150 Chrome Moly Vanadium Barrel w/ 1:7 Twist
- Contour Barrel Profile
- 15" Keymod Rail
- 5.56 NATO Caliber
- M4 Flat Top Upper Receiver
- Mid Length Gas System, .750 Diameter Gas Block
- BCA Standard BCG
- Charging Handle
- Bird Cage Flash Hider
The BCA AR-15 Andean Bear Complete Upper Assembly has a 16" m4 contour barrel profile made of 4150 chrome moly vanadium steel with a parkerized finish, a mid length gas system and a 1:7 twist. The assembly includes a 15" lightweight keymod rail, an m4 flat top forged upper receiver with forward assist, a BCA bolt carrier group, a charging handle and a bird cage flash hider. It is chambered in 5.56 NATO and machined with M4 feed ramps in the barrel extension.
The BCA AR-15 Complete 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.
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||1/2 x 28|
|Gas System||Mid Length|
|Gas Block System||0.750|
|Gas Hole Diameter||0.076|
|Charging Style||Rear Charging|
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