The Apex Tactical SD extension adds three additional rounds to the magazine. Fits the Smith & Wesson SD and Sigma series pistol. Manufactured from aerospace grade 60601-T651 and Type 3 hard coat anodized. Single set screw keeps the magazine extension snugly in place to allow for ease of disassembly when removed. Dimples on the bottom allow for ease of magazine identification.
SPECS: Fits: SD9, SD40, SD9VE, SD40VE, SW9VE, SW40VE, Sigma "C", "F", and "VE".