DPM Beretta 92 FS Compact Mechanical Recoil Reduction System Barrel Length 4.25in/108mm. The washer must always be installed when the DPM Recoil Rod and springs are used. 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 Beretta 92 FS Compact Mechanical Recoil Reduction System: Manufacturer: DPM Fabric/Material: Spring Steel Gun Make: Beretta Gun Model: Beretta 92FS Features of DPM Beretta 92 FS Compact 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 92 FS Compact Mechanical Recoil Reduction System What firearm models does the manufacturer say DPM Beretta 92 FS Compact Mechanical Recoil Reduction System is compatible with? The manufacturer suggests that DPM Beretta 92 FS Compact Mechanical Recoil Reduction System is compatible with Beretta 92FSDPM MS-BE/9: Beretta 92 FS Compact Mechanical Recoil Reduction System Barrel Length 4.25in/108mm