AAP-01 Tactical Adjustable Trigger - Black Tokyo Marui use the screw from the

use the screw from the front iron sight and replace the thread protector or add a suppressor and you're all set

Body Pin 3pcs and Hammer Housing Pin 3pcs

3) Smooth surface finishing is used to reduce friction inside your pistol and improve smoothness of mechanical movement

For Marui M4 MWS/MTR GBB

-#10-24×3/8″ screw (x7)

AAP-01 Tactical Adjustable Trigger - Black Tokyo Marui use the screw from theTTI Airsoft Tactical Adjustable Airsoft Trigger for G Series GBB Pistol and AAP 01. The trigger is adjustable for length of pull, making it ideal for those that love to shoot fast or want to try their hand on the competition circuit.