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
- 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.
|Material||4150 Chrome Moly Vanadium|
|Thread Pitch||5/8 x 32|
|Gas Block System||0.875|
|Gas Hole Diameter||0.125|
|Charging Style||Rear Charging|
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