(0) 
Newsletter
P365
Extension
Sig Sauer
Product no.: 430107859
Mfr. No.: XT3020701
856822007839 The best upgrade accessory for the Sig Sauer P365 California and Standard Frame in states restricting magazine capacity to 10rds! You can now take your Sig Sauer P365 to the length of the grip length of the P365X/XL with an improved grip by simply swapping the magazine. The MTX 365 Plus 0 P365 Magazine Extension is compatible with factory 10 round magazines. This XTech Tactical extention converts the OEM Sig Sauer P365 10 round magazines to a larger and more ideal grip and also works with the Wilson Combat P365 frame. The patented design allows the extender to work on the SIG mag body with inward facing tabs where other extender designs cannot be used. The included spring was engineered specifically for the P365 to allow for unmatched reliability and last round bolt hold open. XTech Tactical's MTX line of extenders are simply unmatched for reliability, ease of installation, and durability!Delivery time approx. 7-14 days.
The GRIP EXTENSION FOR 9MM LUGER SIG SAUER P365® by XTECH TACTICAL is the perfect accessory for enhancing the grip of your Sig Sauer P365, whether you own the California or Standard Frame model. This extension is particularly beneficial for those in states where magazine capacity is limited to 10 rounds.
Enhance your shooting experience with the XTECH TACTICAL MTX GRIP EXTENSION +0 FOR 9MM LUGER SIG SAUER P365 BLACK. This essential upgrade not only improves grip comfort but also maintains the functionality of your firearm, making it a must-have for any P365 owner.
P365
Extension
Sig Sauer
We encountered an error while loading this content. Please refresh the page to continue. If the issue persists, contact our customer support.
to Brownells UK, your destination for anything gun related. With our roots in a genuine passion for firearms, we bring you an unmatched selection of Gun Parts, Firearm Accessories, Gunsmithing Tools, Scopes & Red Dot Sights and Expert Knowledge.
Whether you're looking to maintain, repair, or upgrade, we've got what you need!
For Shooters, By Shooters
We share your enthusiasm and know exactly what you're looking for because we're part of the community.
Massive Selection
From the essentials to the unique, find everything under one roof.
Our blend of tradition and innovation
Shop with the convenience of modern technology, backed by a legacy of experience.
Browse our collection and discover why we're the trusted name in shooting sports & hunting.
© 2025 Brownells UK
Part of the Brownells Europe Group
Classical view
Mobile view
Help and contact
