Recoil springs are available in different power specifications for the recoil function to individual needs. 

Available: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 20 lbs.

CZ 75 B, CZ 85 B, CZ 75 SP-01/Tactical/Shadow/Shadow2/Tactical Sports/Tactical Sports2