This is a brand new OEM Sig Sauer P320 or P250 Fullsize 9mm 17-Round magazine! This will also fit in the P320 Carry which has the fullsize length grip. You can use these in a Compact or SubCompact pistol, but the magazine will stick out past the bottom of the grip shell.
This is a factory original Sig Sauer part. Made to the same high standards as the parts already found in your Sig Sauer firearm. This part will help keep your Sig Sauer Firearm in top shooting condition. From the world leader in firearms genuine Sig Sauer parts are designed around the same relentless standards put into every pistol and rifle they make. Kit up, dress up, or replace your original parts with nothing but genuine parts from Sig Sauer.