Pro Arms Replacement Spring Set for Marui G17 G5 MOS Category_Receiver Shim improve performance and increase FPS

improve performance and increase FPS

iPhone 12 Pro Max or any device that has a maximum length of 17

- This airsoft gun tracer supports green luminous bbs or water bombs

Fits for KWA KRISS Vector or 16mm CW threading

Pro Arms Replacement Spring Set for Marui G17 G5 MOS Category_Receiver Shim improve performance and increase FPSFit for Tokyo Marui G17 G5 MOS Performance Enhanced Item code: PA TM G 029 RSG17G5 * Toys only, please be safe use of air guns and must be follow the local law requirement for all airsoft use. * * Please note: installing parts assemble fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith. Please refer to your airsoft gunsmith for proper installation fitting. Fitting may be needed as the condition of each airsoft gun