This is the AST Revolver FPS adjuster Kit. Installation will require a bolt and nut to be completed. Please download the guide PDF for install instructions.
This kit allows for easy and fast adjustment of any Wingun based airsoft revolver (6 shooter type). Adjustment between 100 and 500 FPS dependant on the gun.
Designed by AST Airsoft
Print using PET-G for greater durabillity than PLA or ABS