DPM Beretta APX Compact Centurion Telescopic Recoil System Stainless. works due to the multi spring intricate rod (3 independent springs U.S PAT. 10.006.729 B2) controls the functionality of the pistol using more efficient the limited internal space of the compact and sub-compact pistols have. The 3 springs of the system are aligned and gradually compressed so as to offer a very elastic effect of the slide travel and the same time the exchangeable external springs of the system provide an additional force that stops the violent rams on the frame. Included with the DPM system are 2 external springs both with different power rates so the user can fine tune the pistol recoil with different type of ammunition according his/hers personal standards. Specifications for DPM Beretta APX Compact Centurion Telescopic Recoil System: Manufacturer: DPM Color: Stainless Fabric/Material: Stainess Steel Gun Make: Beretta Gun Model: Beretta APX Compact Last Chance: Yes Features of DPM Beretta APX Compact Centurion Telescopic Recoil 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 APX Compact Centurion Telescopic Recoil System What firearm models does the manufacturer say DPM Beretta APX Compact Centurion Telescopic Recoil System is compatible with? The manufacturer suggests that DPM Beretta APX Compact Centurion Telescopic Recoil System is compatible with Beretta APX CompactDPM MS-BE-11: Beretta APX Compact Centurion Telescopic Recoil System Stainless