CMMG COMPLETE UPPER 16" 1:9 WASP M4 BARREL

 

IN STOCK & SHIPPING

 

This complete upper from CMMG features a 1:9 twist M4 profile 16 inch barrel with their Weapons Armored Surface Protection (W.A.S.P.) proprietary finish which eliminates the need to chrome line the bore and provides better accuracy along with increased durability and reliability. "F" marked front sight tower means the front sight is the proper height for a flip-up rear sight on the A3 upper. Comes complete with charging handle, bolt and bolt carrier.

 

FITS: Bushmaster, DPMS, Olympic Arms, Rock River Arms, Spike's etc guns. Colt (MIL-SPEC TYPE ONLY!)

 

 

CMMG M4 Profile Uppers have the following standard features.

• Mil-spec certified 4150 chrome-moly vanadium steel M4 contour barrel
• 1/7 twist
  
• Hard chrome lined chamber and bore
• Notched M4 handguard cap
• Chrome-lined 5.56mm x 45 NATO chamber and bore
  
• M4 feed ramps
• Magnetic particle testing on every barrel
  
• 11 degree recessed target crown
• F marked forged front sight base
• Parkerized Barrel including under the front sight base
• A2 Flash hider installed with Peel washer
• 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. Upper specific features are listed with the individual item. When selecting the gas piston operating system, it will override your choices for the bolt carrier and front sight/gas block.

 

COMPLETE UPPER ONLY. CARRY HANDLE & ACCESSORIES NOT INCLUDED