BCA AR-15 Complete Upper, 16” 4150 Parkerized Heavy Barrel, .450 Bushmaster, Carbine Length Gas System, 1:24 Twist w/ 15" Split MLOK Rail

Special Price $299.90 was $428.43
In stock
  • 16” Heavy Barrel
  • 4150 Chrome Moly Vanadium
  • Parkerized Finish
  • 1:24 Twist
  • 15” Split MLOK Rail
  • .450 Bushmaster
  • Carbine Length Gas System
  • M4 Flat-Top Billet Right Side Upper Receiver
  • Standard Bear Creek Arsenal Bolt Carrier Group
  • Side Charging Handle
  • LS2 Flash Hider

This BCA AR-15 Complete Upper has a 16” barrel with a Heavy profile, made of 4150 steel with a Parkerized finish, and features a 1:24 Twist Rate, a Carbine length gas system and .875 Gas Block.
The Upper includes a 15” Split MLOK Rail, an M4 flat-top right side charging billet upper receiver, a BCA Bolt Carrier Group, an LS2 Flash Hider, and a side Charging Handle. It is chambered in .450 Bushmaster and machined with a single feed ramp 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. 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.

More Information
SKU UASC450CHB16124P.875-15MLOK4
Weight 4.9100
Length 16
Profile Heavy Barrel
Twist 1:24
Finish Parkerized
Material 4150 Chrome Moly Vanadium
Thread Pitch 5/8 x 32
Caliber .450 Bushmaster
Feed Ramp Single
Flutes N/A
Gas System Carbine
Gas Block System 0.875
Gas Hole Diameter 0.076
Charging Style Right Side Charging
Color Black
Dimpled Yes
Product Type Complete Upper Assembly
Platform AR-15