UMAREX CO2 BULB PIERCER ,VERY COMMON ON A LOT OF UMAREX PISTOLS. IF YOU NEED THE PIERCER THIS IS FOR YOU. YOU WILL RECIEVE ONE PIERCING UNIT. TO FIT THESE AND OTHERS ,INCLUDING DAN WESSON. – IWI UZI IF YOUR PISTOL/RIFLE USES THE GREEN BULB SEAL.
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