Bushmaster M4A3 Upper Receiver, Flat Top,  16

Bushmaster M4A3 Upper Receiver, Flat Top, 16" barrel, 5.56/.223 Caliber (91823) | Webyshops.com

Vendor: Bushmaster

Available

$405.00 $456.00
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.
  • 5.56NATO
  • 16" M4 barrel is chrome-lined in both bore and chamber
  • 1:9 twist rate
  • Features A2 birdcage-type flash hider to control muzzle flash
  • Front sight post w/ bayonet lug
  • Carbine gas system
  • Flat top receiver
  • AR-15 (Semi Auto) bolt carrier group