Gearbox upgrade parts kit for improve FPS and durability. Type 1: for jingji pdx , jingji slr, jingji sr16 gel blasters Type 2: for ldx gel blaster Type 3: for cyma gel blasters
Package content:
1x SHS steel gears 18:1 1x stainless steel cylinder 1x metal cylinder head 1x metal nozzle 1x kpg patter head 1x nylon piston with metal ladder 1x metal spring retainer 1x m85 spring 1x shims 1x bearings 1x gears grease + sealing grease
