Bushmaster 92450 Flat Top Receiver Predator 5.56 Upper
This chamber accommodates 5.56mm ammunition without developing higher pressures encountered when firing 5.56mm ammo in a .223 chamber with shorter Leade (both calibers can be used safely). This Upper is sold complete with Bolt Bolt Carrier and Charging Handle to ensure positive lockup between bolt and barrel extension. The Predator Upper also features a Vented Tubular Aluminum Free-Floater Forend with Bipod Stud (free-floats the barrel from the barrel nut forward) and B.M.A.S. 1/2 Mini-Risers to add scope height for correct sight picture and comfortable cheek weld.
Gauge or Caliber: 223 Remington/5.56 NATO
Length: 20" Fluted
Sights: No Sights
Manufacturer: Bushmaster Firearms