These complete pistol upper receivers are made from the highest quality USA produced components out there.  All of our complete uppers are fully assembled, test fired, and ready to pin to the lower receiver of your choice.

  • 10.5″ 4150CMV Barrel – 1:7 twist – carbine gas system – stress relieved – black nitride finish
  • 9.85″ Premium free float MLOK handguard with top picatinny rail
  • Forged 7075-T6 upper receiver – hard coat anodized
  • bolt carrier group – 9310 bolt – billet extractor – nitride finish
  • birdcage flash hider – nitride finish

Direct Link: https://3crtactical.com/product/complete-ar-15-pistol-upper-10-5-5-56-barrel-m-lok-rail-bcg-and-charging-handle/