SIG Sauer P365 9mm Magazine, 12-Round


A 12-round magazine for the SIG Sauer® P365, P365XL, or P365 SAS. The magazine may differ slightly from the image pictured. These are original OEM magazines.

Works well with our custom Laser-Sculpted Grip Modules and our P365 Modules with Manual Safety System.

State and regional magazine capacity restrictions apply. Therefore, we cannot ship this item to California, Connecticut, Hawaii, Maryland, Massachusetts, New Jersey, New York, Rhode Island, Vermont, Washington, Washington, D.C. and Cook County in Illinois.
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Magazine Specifications

This 12-round magazine ships with additional baseplate configurations that can be set for use with standard or XL versions. The magazine will be a flush fit in the XL version and extended in the standard model.

Fit Guide

  • P365, 9mm
  • P365XL, 9mm
  • P365 SAS, 9mm

Configuration Instructions

Special thanks to one of our dealers – Osage County Guns in Wright City, Missouri – for this installation and configuration video. If you have installed the extended base plate for use with the P365, ensure you save the standard baseplate for the future, as you will need it if you purchase or use a P365XL.

Additional information

Weight N/A
Dimensions N/A


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Many parts sold by Grayguns - including but not limited to triggers, trigger kits, internal components and spring kits - are intended for installation by a qualified armorer or gunsmith who is familiar with the firearm.

Although kits fit with no issues in a great majority of pistols, Grayguns cannot guarantee perfect functionality in every instance.

Due to varying tolerances present in all mass-produced firearms, professional fitting by a qualified armorer who is familiar with the pistol's action may be required.

Grayguns offers installation services for all parts kits we offer. If you have any issues or questions about the installation process, STOP IMMEDIATELY and contact the Grayguns Customer Service Team.