CZ 75, CZ 75 SP-01 & CZ 75 SP-01 Shadow magazine spring | 16 rounds Phoenix Ruger Mark IV models

Ruger Mark IV models

Vortex Defender ST uses the Leupold DPP mounting footprint

Any plate or slide cut made for the Trijicon RMR pattern accepts it

Adds 9 rounds of extra capacity

Precision-machined traction steadies the sights shot to shot

CZ 75, CZ 75 SP-01 & CZ 75 SP-01 Shadow magazine spring | 16 rounds Phoenix Ruger Mark IV modelsSteel magazine spring for CZ 75, CZ 75 SP 01 & CZ 75 SP 01 Shadow, 16 round. Full compatible model list below. It replaces the factory magazine spring, maintaining consistent feed tension across the full 16 round magazine capacity. Steel construction consistent spring rate shot after shot Direct replacement drops into the factory magazine body, no fitting 16 round capacity matched feed tension across the full magazine capacity Made in Estonia by