The XTech Tactical MTX magazine extension is designed to work with factory 12-round Sig Sauer P365 magazines, providing an increase in capacity while preserving reliable function. It installs on standard P365 frames and uses a purpose-built spring to support consistent feeding and last-round bolt hold open. Finished in black, the extension maintains a subdued profile for everyday carry and duty applications. This part is intended for use with compatible 12-round P365 magazines only.
Key Specifications
- The extension fits factory 12-round Sig Sauer P365 magazines.
- The capacity increases by +3 rounds (12 to 15 rounds) when installed.
- Caliber supported is 9mm.
- The finish is black for a low-profile appearance.
- The model designation is MTX.
- Includes a custom-engineered spring to support reliable feeding.
- Engineered to enable last-round bolt hold open when compatible magazines are used.
- Compatible firearm platform is the Sig Sauer P365.
This MTX magazine extension is a straightforward way to add three rounds to a compatible Sig Sauer P365 magazine while retaining reliable operation and last-round bolt hold open. Its clean black finish keeps the profile discreet for everyday carry, range use, or duty applications, and the included spring is optimized for dependable function with factory 12-round P365 magazines.
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