DPM Systems Technologies Recoil Reduction System For Glock 17/22 Gen 5 - (B.O.S.S.)

The unique DPM Adjustable Multi-Springs Mechanical Recoil Reduction System is special made for Competition, Factory and Heavy Ammunitions. The DPM System is a direct replacement for the stock recoil rod and does not require any modification to the pistol. As always, DPM products are designed and developed with user's safety as a priority. Exceptional manufacturing and engineering using high-end materials. B.O.S.S: Black Oxide Stainless Steel its an innovative coating technology applied usually on the visible parts of the recoil system. This specific DPM Mechanical Recoil System it is based on the DPM Patented (U.S 7.380.487 B2 & US 7.493.845 B2) Multi-spring Recoil Reduction System and functions due to the multi spring intricate rod (3 springs). 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 3 different in length Washers, a Compressive Disc, a Safety Pin and 3 different in power External Springs.