DPM CZ 100/110 Mechanical Recoil Reduction System 9mm 40 S&W. The system works due to the multi spring intricate rod (3 springs) and controls the functionality of the gun. The third spring which is contained within the rod controls the movement of the slide so it never rams on the frame. The longer spring (more coils) is stronger and has a heavier pound rating than the shorter spring. As lead the evolution of recoil reduction technology products may change versions (new design with different springs with or without plugs washers etc.) without any prior notice. Specifications for DPM CZ 100/110 Mechanical Recoil Reduction System: Manufacturer: DPM Fabric/Material: Spring Steel Gun Make: CZ Gun Model: CZ 110 CZ 100 Features of DPM CZ 100/110 Mechanical Recoil Reduction System Faster follow up shots Improved firing speed Slide and Frame Protection Elimination of jams Significant recoil reduction Better double-tap concentration Better control and greater accuracy Package Contents: DPM CZ 100/110 Mechanical Recoil Reduction System What firearm models does the manufacturer say DPM CZ 100/110 Mechanical Recoil Reduction System is compatible with? The manufacturer suggests that DPM CZ 100/110 Mechanical Recoil Reduction System is compatible with CZ 100 CZ 110DPM MS-CZ/10: CZ 100/110 Mechanical Recoil Reduction System 9mm 40 S&W