Replacement 1911 blowback CO2 air pistol nozzle spring.

Should fits many models including
Umarex 1911 M45 A1 CQBP
Umarex 1911 Commander
Milbro 1911
KWC M1911
Swiss Arms 1911
Remington 1911
Sig Sauer 1911 with complete drop out (we the people)
Barra 1911
Bruni US Combat 1911 CBB
Gamo Red Alert RD-1911

Please check length to check it fits your model – 6cm approx