Since 1969

BCA .450 Bushmaster 18" Barrel With 15" MLOK Complete Upper Assembly

Bear Creek Arsenal # UA450MHB18124P1 |  Item # 276-UA450MHB18124P1
  • BCA .450 Bushmaster 18" Barrel With 15" MLOK Complete Upper Assembly
  • BCA .450 Bushmaster 18" Barrel With 15" MLOK Complete Upper Assembly
  • BCA .450 Bushmaster 18" Barrel With 15" MLOK Complete Upper Assembly
  • BCA .450 Bushmaster 18" Barrel With 15" MLOK Complete Upper Assembly
  • BCA .450 Bushmaster 18" Barrel With 15" MLOK Complete Upper Assembly
  • BCA .450 Bushmaster 18" Barrel With 15" MLOK Complete Upper Assembly
  • BCA .450 Bushmaster 18" Barrel With 15" MLOK Complete Upper Assembly
  • BCA .450 Bushmaster 18" Barrel With 15" MLOK Complete Upper Assembly
  • BCA .450 Bushmaster 18" Barrel With 15" MLOK Complete Upper Assembly
  • bear-creek-arsenal
$399.99
Quantity
Status: Backorder OK

DESCRIPTION

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

by Bear Creek Arsenal


Product Overview:

The BCA AR15 Complete Upper Assembly comes with an 18" heavy barrel made out of 4150 chrome moly vanadium steel with a parkerized finish, a mid length gas system, and a 1:24 twist rate. The build includes a 15" MLOK rail, a proprietary bolt carrier group, birdcage flash hider, charging handle, and an M4 flat top forged upper receiver with forward assist. It is chambered in .450 Bushmaster and machined with feed ramps in the barrel extention.

Product Specifications:

  • 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
  • Gas System: Mid Length
  • Gas Block System: 0.750
  • Gas Hole Diameter: .089
  • Charging Style: Rear Charging
  • Color: Black
  • Dimpled: No

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  • Shipping Weight: 5.15lbs. - Please Note: Most packages will require extra packing materials.
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