DPM Smith & Wesson M&P M2.0 Compact 4in Barrel Mechanical Recoil Reduction System Stainless. DPM machined these Pistol Slides & Slide Rails from metal and they are able to withstand the firepower of your weapon with nill maintenance. The DPM Mechanical Recoil Reduction System for Smith & Wesson is an aftermarket attachment that will greatly enhance your Smith & Wesson handgun. Having a tougher recoil rod means a tougher weapon and it is imperative that you take extra precautions to protect your weapon. These springs are contained within the rod and they help control how your slide moves. The third spring within the rod guides your slide so it doesn't ram into the frame. Install the DPM Mechanical Pistol Recoil Reduction System for M&P Smith and Wesson for a more efficient draw. Specifications for DPM Smith & Wesson M&P Compact 3.5in Barrel Mechanical Recoil Reduction System: Manufacturer: DPM Color: Silver Fabric/Material: Stainess Steel Gun Make: Smith & Wesson Condition: New Features of DPM Smith & Wesson M&P Compact 3.5in Barrel 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 Smith & Wesson M&P Compact 3.5in Barrel Mechanical Recoil Reduction System What firearm models does the manufacturer say DPM Smith & Wesson M&P Compact 3.5in Barrel Mechanical Recoil Reduction System is compatible with? The manufacturer suggests that DPM Smith & Wesson M&P Compact 3.5in Barrel Mechanical Recoil Reduction System is compatible with Smith & Wesson M&P 3.5in Smith & Wesson M&P 4.25in Smith & Wesson M&P 4in Smith & Wesson M&P 45 4.5in Smith & Wesson M&P 9 Shield M2.0 Smith & Wesson M&P 40 Shield M2.0 Smith & Wesson M&P 9 Pro 5in Smith & Wesson M&P 40 Pro 5in Smith & Wesson M&P 9 M2.0 Smith & Wesson M&P 40 M2.0DPM MS-S&W/8: Smith & Wesson M&P M2.0 Compact 4in Barrel Mechanical Recoil Reduction System Stainless