7.5 inch AR-15 5.56 NATO Melonite Barrel

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7.5 inch 5.56 NATO AR-15 Barrel, 4150 CMV and Nitrided, 1/7 Twist, Medium Contour Barrel Profile with Pistol length Gas System - made by Bear Creek Arsenal. 

All Finished Barrels go through a 100% Inspection Process.

Inspections Equipment includes CMMs and Air Gauges for the Bores.

Weight 1
Length 7.5
Profile Medium
Twist 1:7
Finish Nitride
Material 4150 CMV
Thread Pitch 1/2x28
Caliber 5.56 NATO
Feed Ramp M4
Flutes N/A
Gas System Pistol
Rifling Conventional
Gas Block System 0.750
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