CMMG-11100: CMMG Mid Length
Upper -
16.0" Govt. HBAR 5.56 NATO 1/9 Twist (Chrome-Moly) WASP
CMMG mid-length upper is built from the standard forged A3 flat top receiver
with M4 feed ramps. The barrel is 4140 steel, government profile HBAR, 5.56mm
NATO chamber and bore with a 1:9 twist ratio and threaded 1/2x28 with removable
A2 flash hider. Proprietary WASP surface treatment on all surfaces.
CMMG M4 Uppers are pre head spaced
and test fired before shipping and include a Semi-Auto Bolt Carrier & Charging
Handle. CMMG uppers are built to Mil-Spec standards and will mount onto any
standard mil-spec AR15 lower receiver assembly.
Features F-marked forged front sight base compatible
with A3 removable carry handle and folding back up sights.
Note: Not for older Colt lowers with internal sear block. Some gunsmith fitting
will be required to adapt this upper to your Colt lower.
CMMG Mid Length Govt. HBAR standard features:
- Mil-spec certified 4140
chrome-moly vanadium steel barrel
- 5.56x45 NATO WASP finish
chamber
- Caliber: .223
- Govt. HBAR Barrel Twist: 1/9
- 1/2x28 RH Muzzle Thread
- Preban features with Bao-Lug
- Mid length gas system with
standard 8.125" handguard
- 11 degree recessed target
crown for optimal accuracy
- WASP treated barrel, including
the chamber, bore and under the front sight base
- Removable (un-pinned) A2 Flash
hider installed with crush washer.
- Mid length Single heat shield
handguard
- Forged M4 upper receiver is T
marked and has M4 feed ramp cuts
- Semi Auto bolt carrier &
Charging Handle Incl.
- Mil-spec .250 diameter
take-down pins
- Each barrel is individually
magnetic particle tested.
- Barrels are engraved CMMG
WASP MPC 5.56 NATO
- Each upper is head spaced and
test fired before shipping.