The Mechanical Recoil Reduction System is a direct replacement for the stock recoil rod and does not change the configuration of the gun.
Mechanical Recoil Reduction System Arsenal Firearms AF-2011-A1 5″ Double Barrel
This system works due to the multi spring intricate rods (three springs) and controls the functionality of the pistol. The third spring which is contained within the rods controls the movement of the slide so it never rams on the frame.
The system includes 2 spring plugs and 4 external springs. The external springs are different in length per pairs so the shooter can fine tune the pistol on the opening and locking positions (slide on the battery) according his/hers personal standards. On the rods must be used always the spring plugs and the springs of the same length (either both short or both long).