so, the first thing i would do is call Umarex for the part they may sell it
it is a very common seal none as the Green CO2 bulb seal
Green CO2 bulb seal for the following Umarex pistols: listing is for one seal...
– Legends Makarov Umarex H8R Gen2
– Walther P38 elite force h8r
– Walther PPQ
– Colt Peacemaker / SAA
– IWI UZI
– H&K 45 Non blowback LISTING IS FOR ONE SEAL...
– H&K VP9
– UX Tornado
– UX SA10
– UX SAA Peacemaker MORE PISTOLS BELOW
– Race Gun
– Beretta 84FS
– Beretta APX
– Beretta Elite II
– Beretta APX
– Colt 1911 Special Combat Classic
– Colt Defender
– Smith & Wesson M&P45
– Glock 19X
– Glock 17 Gen 5
– Glock Dual Ammo
– S25
– S40 also umarex kgb,PPQ M2, BRODAX ,S&W 629 ,MCP ,C96 MAUSER ,BABY DESERT EAGLE ,