Extensions for Sig Sauer Products

13 Round Capacity

Fits only 10 Round Magazine

Does Not Fit P365x, P365xl, or P365 Macro frames

Lock Back on Empty

Durable, Textured Polymer

Comes With High Power Spring and Follower

20 Round Capacity

Fits only 17 Round Magazine

Lock Back on Empty

Anodized Aluminum

Available in Multiple Finishes

Tool-Less Design

Comes With High Power Spring

Uses Factory Follower