BUSHMASTER M4A3 Flat Top 16in 5.56 Upper Receiver (91823)

BUSHMASTER M4A3 Flat Top 16in 5.56 Upper Receiver (91823)

Vendor: Bushmaster

Available

$387.68
  • The Bushmaster M4A3 Upper Receiver, Flat Top, 16" barrel, 5.56/.223 Caliber (91823) will attach to most AR15 lower receivers on the market, and includes bolt carrier group.
  • 5.56 NATO
  • AR-15 (Semi Auto) bolt carrier group
  • Features A2 birdcage-type flash hider to control muzzle flash
  • Front sight post with bayonet lug