Angry Gun HK416 OTB MIL-SPEC Buffer Tube for Umarex (VFC) HK416 GBB

Angry Gun HK416 OTB MIL-SPEC Buffer Tube for Umarex (VFC) HK416 GBB Metal Construction Milspec Stock Pipe Suitable for Umarex (VFC) HK416 Series Airsoft Gas Blow Back GBB Rifle