Tokyo Marui Spare Parts NEXT GEN M4 - HK416D - HK417 - SCAR-L - SCAR-H / (Trigger Switch)
① 1 main plastic body part
② 1 plastic cover part
③ 1 plastic and metal contactor switch part
④ 1 metal contactor part
⑤ 1 spring
⑥ 2 flat head screws (that fix the cover part on the main body)
⑦ 1 round head screw (that fixes the switch assembly to the gearbox shell)