Part #40 for KJW M9 series. Hammer spring or "sear spring" as it's known from the exploded diagram.
Part #37 for KJW M9 series. Trigger spring. Suitable for most brands of M9, including ASG, HFC and Marui models.
A genuine Tokyo Marui set of springs for the M9 blowback chamber. May fit other brands with the same design.
A reinforced hammer spring set. Compatible with Tokyo Marui G series pistols.
A reinforced hammer spring set for the APS ACP601 pistol. Also compatible with Tokyo Marui Glock 17 and 18C pistols.
Part #31 for KJW M9 series. A single spring for the blowback cylinder/loading nozzle.