CM4 5.56 Forged Upper Receiver


The Centurion Arms CM4 Forged AR-15 Upper Receiver is designed to be compatible with any Mil-Spec Lower. It is forged from 7075-T6 aluminum and is Type III Class 2 hardcoat anodized black to military standards. It features a flat top picatinny rail and is compatible with standard upper parts. M4 feed ramps correspond with the feed ramps on your barrel extension to aid in reliability. The CM4 stripped AR-15 Upper Receiver is what you need for your next build.

Out of stock

SKU: PL_8685383393 Categories: , ,


  • Machined to MIL spec from 7075 T6 forgings
  • Top MIL-Std 1913 Rail
  • Hardcoat Anodized per MIL-A-8625F, Type III, Class 2
  • For Use with M4 Barrel extensions
  • Assembled Upper Receivers come with ejection port cover and forward assist installed
  • Made in America on American-made machines
  • Weight: .8.3oz


Centurion Arms

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.