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Color:
Black
Magazine Capacity:
13 Round
Caliber:
.380 ACP
Gun Make:
SIG Sauer
Gun Model:
SIG Sauer P365

Code: 3TF-PME-554DC621-0C0F8639-CH

MPN: XTT132-BLK P365 380 Single

$24.95

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Product Info for XTech Tactical MTX 365 380 +3 Round Magazine Extension with Spring for P365 - Single Extender 554DC621

The ultimate upgrade for your Sig Sauer P365 380 pistol - the MTX 365 380 Plus, 3-Round SIG P365 10 rd to 13 rd Mag Extension. Transform your standard P365 frame into the extended grip length of the P365X/XL without compromising style or functionality by swapping the magazine. Made in the USA, this innovative and patented magazine extension is 100% reliable and designed to give you total control and improved grip on your firearm. The SIG P365 Mag Extension is compatible with factory 10-round magazines for the standard P365 380 frame. One of the main features of the SIG P365 Mag Extension is the custom-engineered spring, which guarantees unmatched reliability and ensures last-round bolt hold open. The MTX 365 +3 Round Magazine Extender also comes with a detailed installation video QR code to guide you through the simple process of adding this essential P365 upgrade to your firearm. The SIG P365 Mag Extension provides the perfect pinky extension for tactile feel and control.image

Specifications for XTech Tactical MTX 365 380 +3 Round Magazine Extension with Spring for P365 - Single Extender 554DC621:

Manufacturer: XTech Tactical
Color: Black
Magazine Capacity: 13 Round
Caliber: .380 ACP
Gun Make: SIG Sauer
Gun Model: SIG Sauer P365

Features of XTech Tactical MTX 365 380 +3 Round Magazine Extension with Spring for P365 - Single Extender:

  • MTX 365 380 Plus, 3-Round SIG P365 10 rd to 13 rd Mag Extension
  • Made in the USA
  • patented magazine extension
  • Compatible with factory 10-round magazines for the standard P365 380 frame
  • custom-engineered spring
  • provides the perfect pinky extension for tactile feel and control

Package Contents:

  • XTech Tactical MTX 365 380 +3 Round Magazine Extension with Spring for P365 - Single Extender

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XTech Tactical MTX 365 380 +3 Round Magazine Extension with Spring for P365 - Single Extender 554DC621 Orderable Models

List of Orderable Models

  • XTech Tactical MTX 365 380 +3 Round Magazine Extension with Spring for P365 - Single Extender, XTT132-BLK P365 380 Single , MPN: XTT132-BLK P365 380 Single , Code: 3TF-PME-554DC621-0C0F8639-CH
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Last updated 2026-09-26 UTC.