DPM Beretta PX4 Storm Compact Mechanical Recoil Reduction System Stainless. From the above effect the slide stops smoothly on the frame and offers less recoil. Further the moving parts of the pistol are protected offering longer life to the pistol. Specifications for DPM Beretta PX4 Storm Subcompact Mechanical Recoil Reduction System: Manufacturer: DPM Color: Stainless Fabric/Material: Steel Gun Make: Beretta Features of DPM Beretta PX4 Storm Subcompact 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 Beretta PX4 Storm Subcompact Mechanical Recoil Reduction System What firearm models does the manufacturer say DPM Beretta PX4 Storm Subcompact Mechanical Recoil Reduction System is compatible with? The manufacturer says that DPM Beretta PX4 Storm Subcompact Mechanical Recoil Reduction System is compatible with Beretta Px4 Storm Compact Beretta Px4 Storm Sub-CompactDPM MS-BE/7: Beretta PX4 Storm Compact Mechanical Recoil Reduction System Stainless