Eemann Tech CZ 75 SP-01 Shadow, CZ Shadow 2 MEC-GAR Magazine spring. +10% extra power.

Specifications:
• 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 than the factory magazine spring
• Extra power magazine springs help improve feeding with extra power recoil springs and when factory springs have weakened.