BCA AR-15 Complete Upper, 16” 4150 Parkerized M4 Contour Barrel, 5.56 NATO, Carbine Length Gas System, 1:8 Twist w/ 15” MLOK Rail
- 16” M4 Contour Barrel
- 4150 Chrome Moly Vanadium
- Parkerized Finish
- 1:8 Twist
- 15” MLOK Rail
- 5.56 NATO
- Carbine Length Gas System
- M4 Flat-Top Forged Upper Receiver
- Standard Bear Creek Arsenal Bolt Carrier Group
- Charging Handle
- LS2 Flash Hider
This BCA AR-15 Complete Upper has a 16” barrel with an M4 Contour profile, made of 4150 steel with a Parkerized finish, and features a 1:8 Twist Rate, a Carbine length gas system and .750 Gas Block.
The Upper includes a 15” MLOK Rail, an M4 flat-top forged upper receiver with forward assist, a BCA Bolt Carrier Group, an LS2 Flash Hider, and a Charging Handle. It is chambered in 5.56 NATO and machined with M4 feed ramps in the barrel extension. This Upper ships out with three test casings.
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. This Rifle is also backed by our Bear Den Guarantee.
Choose an upper designed by a US company and made in the USA. Choose Bear Creek Arsenal.
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||1/2 x 28|
|Gas Block System||0.750|
|Gas Hole Diameter||0.070|
|Charging Style||Rear Charging|
|Product Type||Complete Upper Assembly|
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