Eemann Tech CZ 75 SP-01 Shadow Magazine spring. +10% extra power.
* Made of steel, with thermic treatment for the best performance and quality
* Varied, progressive structure provides constant pressure with greatly increased spring performance and life
* Magazine spring made of steel according to UNE10270-1-SM norm, with thermic treatment
* +10% stronger from the factory magazine spring
* Extra power magazine springs help improve feeding with extra power recoil springs and when factory springs have weakened