Aluminum Trigger “S2”Produce by Airsoft Masterpiece and Guns Modify, this latest trigger matches perfectly with TM AM EDGE hi capa grip. Crafted out of aluminum, this enhanced durability trigger provide a better trigger feeling. Comes in 10 colors, now you can be more creative with your pistol ! Material : Aluminum *PS: Please note: installing parts assemble fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith. Please refer to your airsoft