CZ 2075 RAMI B-DB 3'' Barrel 9mm/40s&w 10mm The longer spring (more coils)

The longer spring (more coils) is stronger and has a heavier pound rating than the shorter spring (slide on the battery)

62-GRAIN M855 BALL A1

The external springs are different in length

Through Polymerization

If you feel you need to over apply or “run it wet” because the performance diminishes too quickly

CZ 2075 RAMI B-DB 3'' Barrel 9mm/40s&w 10mm The longer spring (more coils)DPM Mechanical Recoil Reduction System for CZ 2075 Rami B BD This system works due to the multi spring intricate rod (3 springs) and controls the functionality of the gun. The third spring, which is contained within the rod, controls the movement of the slide so it never rams on the frame. 3 separate external springs are included with the system. The springs are different in length with the longest being heaviest when the slide is on the battery, so