DPM Systems Adjustable Mechanical Recoil Reduction System for Glock 17, 22, 31, 34 Gen 5

The DPM Systems Adjustable Mechanical Recoil Reduction System works due to the multi spring intricate rod (three springs) and controls the functionality of the pistol. The third spring which is contained within the rod controls the movement of the slide so it never rams on the frame.The system includes two different in length washers and two external springs. Washers differentiate only the buffer force (slide full open position) and the external springs differentiate only the slide closed positi