JERICHO 941 FB - RB- FBL- RBL Compact Size Sig the long spring is heavy

the long spring is heavy and the short is light so the shooter can fine-tune the pistol on the opening and locking position (slide on the battery) according to your personal standards

Thunder Pro & XT

DPM MRS for Glock 20-21-41SF Gen 4

Through Polymerization

Medium = 10

JERICHO 941 FB - RB- FBL- RBL Compact Size Sig the long spring is heavyDPM Mechanical Recoil Reduction System for IWI Jericho 941 FB RB FBL RBL Compact The above DPM Recoil Reduction System works due to the multi spring intricate rod (3 springs) and in some cases, the system offers almost double force in the slide at the end of the full open position, compared with the factory OEM spring, and functions like a buffer on the slide. From the above effect, the slide stops smoothly on the frame and offers less recoil.