This extended steel magazine increases the capacity of the Sig Sauer P365 micro-compact pistol to 15 rounds while maintaining a compact profile. It features a capacity witness hole that remains visible when inserted in a standard P365 and ships with an additional baseplate compatible with XSeries P365 models. The installed baseplate is designed to leave no gap when used in a standard P365.
Key Specifications
- The magazine holds 15 rounds.
- Chambered for 9mm cartridges.
- The magazine body is made of metal.
- Designed to fit the Sig P365 Micro Compact pistol.
- This is an extended style magazine for added capacity.
- Includes one unit per box.
- The package includes a floor plate.
- The finish is black (blued).
- The listed dimensions are 1.75 x 4.35 x 5.50 (inches).
- The magazine features a visible capacity witness hole and ships with an additional baseplate for XSeries P365 models.
For users seeking a discreet capacity increase without sacrificing fit, this extended P365 magazine offers a practical solution. Its metal construction, black finish, and included baseplate options provide a dependable, low-profile upgrade for everyday carry or range use.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




