The DPM recoil reduction system for the CZ P-09 replaces the factory recoil system. A multi-spring rod with 3 springs inside spreads the recoil, so the pistol moves less and you get back on target faster. It comes with 3 external springs of different lengths and 2 spring plugs: dark grey for a heavier buffer effect and silver for a lighter one. It also fits the P-09F Nocturne and is made in Greece.