BCA AR-15 Complete Upper Assembly, 16" 4150 Parkerized Heavy Barrel, .458 Socom, Carbine Length Gas System, 1:14 Twist w/ 15" Light weight Keymond Rail

Special Price $269.99 was $363.87
In stock
  • 16" 4150 Chrome Moly Vanadium Steel Barrel
  • Heavy Barrel Profile
  • 1:14 Twist Rate
  • Carbine Length Gas System
  • .875 Gas Block System
  • .125 Gas Hole Diameter
  • 15" LWKM Rail
  • .458 SOCOM Caliber
  • M4 Flat Top Forged Upper Receiver w/ Forward Assist
  • Proprietary Bolt Carrier Group
  • Charging Handles
  • Birdcage Flash Hider

The BCA AR-15 Complete Upper Assembly has an 16" heavy barrel made out of 4150 chrome moly vanadium steel with a parkerized finish, a 1:14 twist rate and a carbine length gas system. The build includes a 15" LWKM rail, an M4 flat top forged upper receiver with forward assist, a proprietary bolt carrier group, birdcage flash hider and a charging handle. It is chambered in .458 Socom and machined with a single feed ramp in the barrel extension.

PLEASE NOTE: This item includes our new version 3 rail with sling pivot points. Updated image coming soon.

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.

*Note – We strive to provide the most accurate photographs of our product. Variations may occur in the skeletonized section of the handguard you receive.

More Information
SKU UA458CHB16114(P).875-(15)LWKM3
Weight 2.0000
Length 16
Profile SOCOM
Twist 1:14
Finish Parkerized
Material 4150 Chrome Moly Vanadium
Thread Pitch 5/8 x 32
Caliber .458 SOCOM
Feed Ramp M4
Flutes N/A
Gas System Carbine
Gas Block System 0.875
Gas Hole Diameter 0.125
Charging Style Rear Charging
Color Black
Platform AR-15