5.56 NATO, 16" Black Nitride M4 Barrel, 1:7 Twist, Mid-Length Gas System - BLACK
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BLACK NITRIDE 16 INCH MID LENGTH M4 BARREL
This AR-15 Barrel is a 16" M4 contour profile barrel made of 4150 steel and has a mid-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.
The twist is laser engraved.
All Finished Barrels go through a 100% Inspection Process.
Inspections Equipment includes CMMs and Air Gauges for the Bores.
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