CMMG Barrel AR-15 Pistol 5.56x45mm NATO Medium Contour 1 in 7" Twist 7.3" Chrome Lined Chrome Moly Matte with Front Sight Tower Pre-Ban
- Mil-spec certified 4150 chrome-moly vanadium steel barrel
- True 5.56x45 NATO chamber
- M4 feed ramps/Barrel Extension
- 11 degree recessed target crown
- 1/2x28 Threaded Muzzle
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