KEY FEATURES

  • Drop-On Upper Receiver Assembly that upgrades your AR15/M16/M4 type lower receivers or rifles
  • 5.56 x 45mm NATO / .223 REM
  • 12.5” Heavy Profile Machine Gun Barrel
  • 1:7” RHT, ½”-28 TPI 
  • Short-Stroke Gas Piston Operation
  • Dual-Feed™ - Accepts ALL AR15/M16 Magazines & M27 Linked Ammunition
  • Precision Machined 7075-T6 Billet Upper Receiver, Feed Cover and Charging Handle
  • Precision Machined Feed Tray
  • Finish – Manganese Phosphate & Type III, Class 2 Hardcoat anodize - Black
  • Full-Auto Bolt Carrier
  • Handguard Style – Free Float MIL-STD 1913 Rail
  • Ships with Main Action Spring, Bolt Catch, Carbine Stock Spacer, (100) M27 Links & Operator’s Manual
  • Made In USA