The Guns Modify Aluminum CNC Trigger Box with Steel Parts Set for Tokyo Marui MWS M4 is a replacement part for your TM MWS M4. The CNC milled from aluminium trigger box is a durable and strong which can take a beating from using your airsoft gun and all the steel parts are incredibly durable.

Items included everything you would need to replace the entire trigger box box of the Marui MWS.