DPM 4.4in Barrel Full Size Mechanical Recoil Reduction System Sig Sauer P220 Nitron & Legion Stainless

DPM 4.4in Barrel Full Size Mechanical Recoil Reduction System Sig Sauer P220 Nitron & Legion Stainless. The third spring which is contained within the rod controls the movement of the slide so it never rams on the frame. 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 one spring plug and two different external springs. The spring plug must always be installed when the DPM Recoil Rod and springs are used. The