Wolf T91 A1 Upper Receiver Assembly - 12.5" Barrel, 5.56mm NATO, Gas Piston Operated
This Wolf T91 A1 upper receiver assembly is a complete 5.56mm NATO upper with a 12.5" barrel, ready to pair with a compatible AR lower receiver to finish a build. The gas piston operating system helps keep carbon and fouling out of the receiver area for easier cleanup.
Features include a full-length top Picatinny rail and a slotted handguard. The installed muzzle device is currently timed for left-side gas deflection.