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CMMG 16" Mid Length Govt. Upper 1/7 (Chrome-Lined)

Sku: CMMG-55B5255
Manufacturer: CMMG
Temporarily Sold Out !!
  Sale Price $699.00
  Available Quantity 0


CMMG-55B5255: CMMG Mid Length Upper - 16.0" Govt. 5.56 NATO 1/7 Twist (Chrome-Lined Hammer Forged)
CMMG mid-length upper is built from the standard forged A3 flat top receiver with M4 feed ramps. The barrel is Cold Hammer Forged, Light weight government profile under the handguards, 5.56mm NATO chamber and bore with a 1:7 twist ratio and threaded 1/2x28 with removable A2 flash hider. Proprietary WASP surface treatment on all exterior 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. standard features:
  • Cold Hammer Forged Barrel (Fully Chrome Lined)
  • 5.56x45 NATO
  • Caliber: .223
  • Govt. Light Weight Mid Length Barrel with 1:7 Twist
  • 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 finish, including under the front sight base
  • A2 Flash hider installed with crush washer.
  • 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 5.56 NATO
  • Each upper is head spaced and test fired before shipping.



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