Spike's Tactical AR-Pistol Upper Receiver – 5.56mm NATO, 7.14" Barrel
This Spike's Tactical AR-Pistol upper receiver is chambered in 5.56mm NATO with a 7.14" barrel, set up as an upper receiver assembly ready to pair with a compatible lower receiver for an AR build.
This unit is not a complete upper and will require additional components to finish out the build, including a gas block, hand guard rail, gas tube, and bolt carrier group.