Unicorn 120% Hammer Spring Set (Hammer & Valve Knocker Spring) for VFC/SIG P320 / M17 / M18 GBB Category_Trigger Lever KJ Works SP01 Threaded Barrel

KJ Works SP01 Threaded Barrel CCW

HFC134a &amp

Also this trigger will allow you to adjust the trigger stroke

- Fit for SIG AIR / VFC P320 M17 M18 Xcarry 6mm GBB

Unicorn 120% Hammer Spring Set (Hammer & Valve Knocker Spring) for VFC/SIG P320 / M17 / M18 GBB Category_Trigger Lever KJ Works SP01 Threaded BarrelFit for VFC SIG AIR P320 M17 M18 GBB Compatible with Parabellum P320 GBB series Material: Steel Product content: 1 x Hammer Spring 1 x Valve Knocker Spring Item code: UC S P320 HMSP *PS: 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 might be