CMMG 14.5" M4 Carbine w/Permanent Phantom. Phantom flash hider is pin and welded to the barrel to make this a legal 16" barrel. This comes with the Bolt Carrier Group. Mil-spec certified 4150 chrome-moly vanadium steel M4...

CMMG 14.7" M4 Carbine w/A2. A2 flash hider is pin and welded to the barrel to make this a legal 16" barrel. This comes with the Bolt Carrier Group. Mil-spec certified 4150 chrome-moly vanadium steel M4 contour barrel 5...

This comes with the Bolt Carrier Group and Charging Handle. Mil-spec certified 4150 chrome-moly vanadium steel M4 contour barrel 5.56x45 NATO chamber 1/7 twist Hard chrome lined chamber and bore M4 feed ramps 11 degree...