This BCA AR-15 Barrel is a 16" M4 contour profile barrel made of 4150 chrome moly vanadium steel with a parkerized finish, a carbine length gas system with a 1:7 twist rate. The barrel is chambered in 5.56 NATO and machined with M4 feed ramps in the barrel extension.

All Finished Barrels go through a 100% Inspection Process.

Inspections Equipment includes CMMs and Air Gauges for the Bores.

BCA's expectations are that our Barrels, 16 inches or longer, will hold a 1.000" MOA at 100 yards with appropriate ammo and shooting techniques.

This 16" M4 carbine barrel has the following specs:

Length - 16"
Material - 4150 Chrome Moly Vanadium
Finish - Parkerized
Profile - M4 Contour
Gas System Length - Carbine
Gas Block Journal - .750"
Twist Rate - 1:7 inches
Muzzle - 1/2x28 Threaded
Weight - 1.8 Pounds
Other Info - M4 Feed Ramps

MPN#: 1398-B556CM41617

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