BCA AR-15 Barrel, 7.5" 4150 Parkerized M4 Contour Barrel, 5.56 NATO, Pistol Length Gas System w/ 1:7 Twist
- 7.5" M4 Contour Barrel
- 4150 Chrome Moly Vanadium Steel
- Parkerized Finish
- 1:7 Twist
- 5.56 NATO
- Pistol Length Gas System
The BCA AR-15 Barrel is a 7.5" m4 contour profile barrel made of 4150 chrome moly vanadium steel with a parkerized finish, a pistol length gas system and a 1:7 twist rate. The barrel is chambered in 5.56 NATO and machined with m4 feed ramps in the barrel extencion.
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||1/2 x 28|
|Gas Block System||0.750|
|Gas Hole Diameter||0.086|