DPM Kimber Pro Carry II 4in Barrel Mechanical Recoil Reduction System Stainless MS KIM-4.

DPM Kimber Pro Carry II 4in Barrel Mechanical Recoil Reduction System Stainless MS KIM-4.. 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 2 spring plugs and 3 different external springs. The spring plug must always be installed when the DPM Recoil Rod and springs are used. The external springs are different in length the long spring is heavy and the short is light so the shooter can fine tune the pistol o