• Material: 7075-T6 forged aluminum
  • Finish: mil-spec hardcoat anodized, matte black
  • Caliber compatibility: 5.56 NATO, .223 Rem, 300 BLK, 5.45x39, and most AR-15 cartridges
  • Feed ramps: M4 cut
  • Forward assist: installed

Full details and secure checkout: https://3crtactical.com/luth-ar-ar-15-assembled-flattop-upper-receiver-with-charging-handle-366098/?utm_source=armslist&utm_medium=referral&utm_campaign=listing