SIG Sauer P365 15-Round 9mm Magazine


A 15-round magazine for the SIG Sauer® P365, P365X, P365XL, or P365 SAS. The magazine may differ slightly from the image pictured. This is an original OEM magazine.

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

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

This 15-round magazine ships with an additional baseplate for use with the P365X or P365XL. When inserted into the P365, the base pad is a flush-fit. Swap to the shorter base pad – which is included – for use with a P365X or P365XL.

The P365 base pad features capacity witness holes so you can see if 15-rounds are inserted into the magazine.

Fit Guide

  • P365, 9mm
  • P365X, 9mm
  • P365XL, 9mm
  • P365 SAS, 9mm

Note that the magazine’s overall length- compared to the standard, flush-fit P365 10-round magazine – is about 1 inch longer.

Additional information

Weight N/A
Package 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.