CMMG 14.5" M4 Carbine w/Permanent attached Phantom flash hider. Phantom flash hider is pinned and welded to the barrel to make the legal barrel length 16".
CMMG M4 Profile Uppers have the following standard features:
Mil-spec certified 4150 chrome-moly vanadium steel M4 contour barrel
5.56x45 NATO chamber
Hard chrome lined chamber and bore
M4 feed ramps
11 degree recessed target crown
F marked forged front sight base
Parkerized Barrel including under the front sight base
Forged A3 upper receivers are T marked and have extended feed ramp cuts (M4 ramps).
Semi Auto bolt carrier
Each barrel is individually magnetic particle tested. Barrels are engraved CMMG MPC 5.56 NATO 1:7. Each Upper is head spaced and test fired before shipping.