BCA AR-15 7.5" Parkerized 4150 Steel Contour Barrel, 5.56 NATO, Pistol Length Gas System w/ 1:7 Twist

Special Price $40.81 was $63.99
In stock


  • 7.5" 4150 Black Nitride Barrel
  • Contour Barrel Profile
  • 1:7 Twist
  • No Flutes
  • 5.56 NATO Caliber
  • Pistol Length Gas System

The BCA AR-15 Barrel is a 7.5" M4 contour barrel profile made of 4150 steel with a black nitride finish. It has a 1:7 twist rate and is chambered in .223 Wylde.

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 B556PM47.517(M)
Weight 1.5000
Length 7.5
Twist 1:7
Finish Black Nitride
Material 4150 Chrome Moly Vanadium
Thread Pitch 1/2 x 28
Caliber 5.56 NATO
Feed Ramp M4
Flutes N/A
Gas System Pistol
Gas Block System 0.750
Gas Hole Diameter 0.086
Platform AR-15