Voodoo Innovations Ar-15/M16 5.45 X 39mm Bolt

We
Steel bolt drops into standard bolt carriers and fits with 5.45×39 barrels to convert AR-15 to low-recoil, inexpensive caliber. Ionbond finish resists heat, wear and corrosion. Fully assembled with extractor, ejector and gas rings. Mfg: Voodoo Innovations SPECS: Fits – AR15/M16 5.45×39 upper receivers.