DPM 2011 5in Bull Barrel Mechanical Recoil Reduction System Black Oxide

DPM 2011 5in Bull Barrel Mechanical Recoil Reduction System Black Oxide. The long spacer offers a heavy buffer effect moving to shorter spacers a lighter buffer effect is being noticed. Washers differentiate only the buffer force (slide full open position) and the external springs differentiate only the slide closed position (slide on the battery). The external springs are different in length the long spring is heavy and the short is light so the user can fine tune the pistol on the opening and