AAP01 Trigger Type A Highlighted features Aluminium 6061 material with CNC machined Flatter and Slender trigger design Adjustable pre-travel system 6 Colors available: Silver, Black, Gold, Red, Blue & Rainbow Compatible to all TM G-Series Gas Blowback Pistol, AAP01 and other compatible series **Important Notice** It may has a condition that your pistol cannot feed the BB bullet due to lightweight gas supply. You just simple remove a spacer to solve the issue. Alternatively, you may consult your gunsmith for advancing fitting to solve this issue as well. Increasing in FPS can be achieved; however, it may require other parts to collaborate and advanced skill is needed. improper installation / fitting can shorten the life of the product.