BCA AR-15 Complete Upper Assembly, 18" 4150 Parkerized Heavy Barrel, .450 Bushmaster, Mid Length Gas System, 1:24 Twist w/ 15" MLOK

Special Price $269.90 was $361.99
Out of stock

SKU: UA450MHB18124(P)-(15)MLOK2

  • 18" 4150 Chrome Moly Vanadium Steel Barrel
  • Heavy Barrel Profile
  • 1:24 Twist Rate
  • Mid Length Gas System
  • .750 Gas Block System
  • .089 Gas Hole Diameter
  • 15" MLOK Rail
  • .450 Bushmaster Caliber
  • M4 Flat Top Forged Upper Receiver w/ Forward Assist
  • Bolt Carrier Group
  • Rear Charging Handles
  • Spiral Flash Hider

This BCA AR-15 Complete Upper Assembly has an 18" heavy barrel made out of 4150 chrome moly vanadium steel with a parkerized finish, a 1:24 twist rate and a Mid Length Gas System. The build includes a 15" MLOK rail, an M4 flat top forged upper receiver with forward assist, a bolt carrier group, a Spiral flash hider and a charging handle. It is chambered in .450 Bushmaster and machined with feed ramps in the barrel extension.

All Finished Barrels go through a 100% Inspection Process.

Inspections Equipment includes CMMs and Air Gauges for the Bores.

BCA's expectations is that our Barrels, 16 inch or longer, will hold a 1.000" MOA at 100 yards with appropriate ammo and shooting techniques.

More Information
SKU UA450MHB18124(P)-(15)MLOK2
Weight 4.0000
Length 18
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 Mid Length
Gas Block System 0.750
Gas Hole Diameter 0.089
Charging Style Rear Charging
Color Black
Platform AR-15