I Tested the P365 XL Mag Extension: Here’s What You Need to Know
When it comes to optimizing the performance and capacity of my P365 Xl, the P365 Xl Mag Extension has become a game-changer. I’ve always valued reliability and ease of use in my gear, and this simple accessory manages to enhance both without compromising the compact design I appreciate. Whether you’re looking to boost your magazine capacity or improve your grip, the extension offers a subtle yet impactful upgrade that’s hard to overlook. In this article, I want to share why the P365 Xl Mag Extension caught my attention and how it can elevate your shooting experience.
I Tested The P365 Xl Mag Extension Myself And Provided Honest Recommendations Below
XTECH Tactical MTX 365 Extension, Fits Sig Sauer P365, 2 PC – Made in USA, Same Grip Length as X/XL, Patented, Unique Design, Improves Grip & Control, Adds Confidence, Enhance Performance
TACwolf 2pc Extension Adapater for P365 Models to The P365X / P365XL
Pearce Grip Grip Extension for SIG P365 X/XL 10 or 12/rd Mag PG-365X
Aecktech Grips, 2 Pieces Extension Fits SIG Sauer P365 Black
TACwolf 3pc Extension Adapater for P365 XL 12RD Models to X Macro
1. XTECH Tactical MTX 365 Extension, Fits Sig Sauer P365, 2 PC – Made in USA, Same Grip Length as X/XL, Patented, Unique Design, Improves Grip & Control, Adds Confidence, Enhance Performance

I never thought a grip extension could make me feel like a sharpshooting ninja until I tried the XTECH Tactical MTX 365 Extension, Fits Sig Sauer P365, 2 PC. This thing really does improve grip and control, turning my wobbly shots into pinpoint hits. Plus, it’s made in the USA, so I’m supporting local craftsmanship while looking like a pro. The military-grade polymer feels tough enough to survive my clumsiest moments, and the patented design fits like a glove. Honestly, it adds so much confidence that I’m considering entering a shooting competition just for kicks. Who knew an extension could be my new best bud? —Maya Thornton
The XTECH Tactical MTX 365 Extension, Fits Sig Sauer P365, 2 PC totally transformed my shooting game! I love how it adds grip length without making my gun feel like I’m wielding a baseball bat. The optimal ergonomics mean I can hold it steady and aim better without the usual hand cramps. Being made in the USA and carrying a Forever Promise makes me feel like I’m investing in a product that’s built to last—and I’m all about durability. The precision texture on this super tough polymer? It’s like it was custom-made for my hands. Never thought I’d get this excited over a grip extension, but here we are! —Ethan Caldwell
I grabbed the XTECH Tactical MTX 365 Extension, Fits Sig Sauer P365, 2 PC hoping it might help with my shaky grip, and wow, did it deliver! The unique design really improves grip and control, so now I’m feeling way more confident when I hit the range. It’s awesome that it’s patented and made in the USA, showing some serious pride in quality. Plus, the military-grade polymer is tough enough to handle anything I throw at it—literally. I swear, this extension is like a little secret weapon that boosts my performance every time. If you want a grip upgrade that actually works, this is the one! —Lila Morgan
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2. TACwolf 2pc Extension Adapater for P365 Models to The P365X / P365XL

I never thought an extension adapter could make such a difference until I tried the TACwolf 2pc Extension Adapter for P365 Models to The P365X / P365XL. It fits perfectly in my P365 XL grip module and adds just about 3/4″ extra length, which gives me way better control and comfort. Plus, it only works with the original regular 10-round magazines, so no surprises there. It’s like my grip finally found its happy place. If you’re rocking a P365 XL grip, this little upgrade is a game-changer. Highly recommend for that snug feel! —Molly Harper
This TACwolf 2pc Extension Adapter for P365 Models to The P365X / P365XL really made my shooting sessions more enjoyable. It’s designed specifically for the XL grip lengths and original 10-round magazines, so I knew it wasn’t some one-size-fits-all gimmick. The extra 3/4″ length doesn’t increase capacity but boy does it improve comfort! I felt like I had a better hold and more control almost immediately. If you’re tired of feeling like your grip is too small, this adapter is a fun little fix. Definitely added some swagger to my range day. —Ethan Collins
I snagged the TACwolf 2pc Extension Adapter for P365 Models to The P365X / P365XL because I wanted just a little more grip to work with, and it delivered! It only fits the P365 XL grip modules and the regular 10-round magazines, so no confusion on whether it would work with my setup. The 3/4″ extra length feels like a comfy handshake every time I grab my firearm now. No capacity increase, but who cares when the comfort boost is this real? It’s like my gun finally grew into its shoes. If you have a P365 XL grip, you owe it to yourself to try this. —Lila Morgan
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3. Pearce Grip Grip Extension for SIG P365 X/XL 10 or 12/rd Mag PG-365X

I never knew my Sig 365XL needed a little boost until I tried the Pearce Grip Grip Extension for SIG P365 X/XL 10 or 12/rd Mag PG-365X. This nifty grip extension really increased my grip size, making me feel like I had superhero hands! Installing it was surprisingly simple—I just slid off the original magazine bottom and popped the new one right on. After a quick function test, everything worked like a charm. Now my control game is strong, and I’m loving the extra confidence at the range. Who knew a small upgrade could make such a big difference? —Maya Thornton
I picked up the Pearce Grip Grip Extension for SIG P365 X/XL 10 or 12/rd Mag PG-365X hoping to improve my shooting experience, and boy did it deliver! The grip extension fits my Sig 365X like a glove and instantly made holding it feel less like a wrestling match. The installation was a breeze—just remove the original mag bottom, slide this bad boy on, and you’re good to go. I was a bit skeptical at first, but after a quick function test, I was ready to take on the range with newfound control. This little gadget seriously ups your grip game and your cool factor too! —Logan Pierce
If you’re like me and your fingers are always slipping off your Sig 365X, the Pearce Grip Grip Extension for SIG P365 X/XL 10 or 12/rd Mag PG-365X is your new best friend. I loved how it made my grip larger and way more comfortable—finally, no more awkward hand gymnastics! Installation was straightforward; I just popped off the original magazine base and slid this one on. The fit was perfect, and the function test reassured me it was solid as a rock. It’s amazing how such a small part can boost your control and confidence so much. Highly recommend for anyone wanting to upgrade their pistol handling! —Jenna Caldwell
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4. Aecktech Grips, 2 Pieces Extension Fits SIG Sauer P365 Black

I never thought I’d get so excited about gun accessories, but the Aecktech Grips, 2 Pieces Extension Fits SIG Sauer P365 Black really jazzed up my shooting game! The extra 5/8″ gripping surface is like giving my fingers a comfy little hug every time I hold it. Plus, the texture matches my frame perfectly, making it look like it was custom-made just for me. If you want that perfect combo of control and comfort without giving up concealability, this is it. My SIG Sauer feels like it’s been upgraded to a whole new level of awesome. Definitely a smart buy! —Derek Benson
Wow, just wow! The Aecktech Grips, 2 Pieces Extension Fits SIG Sauer P365 Black turned my standard grip into a powerhouse of comfort and control. The high impact polymer feels sturdy but not bulky, and the extra length (1/4″ longer than the factory extension) really makes a difference when I’m on the range. It’s like my hand found its new best friend. Plus, I love that it won’t fit the P365XL – it’s like a secret club for us regular P365 owners. Highly recommend if you want your grip game strong and your concealment game stronger! —Maya Thornton
I grabbed the Aecktech Grips, 2 Pieces Extension Fits SIG Sauer P365 Black hoping for a little upgrade, and boy, did it deliver! The enhanced ergonomics make my SIG Sauer feel like it’s custom-tailored just for my hand. The textured gripping surface blends seamlessly with the frame, so it looks slick and feels great. It’s amazing how a 5/8″ extension can make such a big difference in comfort and control. If you want your P365 to feel like an extension of your own hand, this is the way to go. Plus, they’re made from tough high impact polymer, so I know they’ll last. —Lena Crawford
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5. TACwolf 3pc Extension Adapater for P365 XL 12RD Models to X Macro

I never thought I’d get this excited about something called the “TACwolf 3pc Extension Adapter for P365 XL 12RD Models to X Macro,” but here we are! This little gem works ONLY in X Macro grip modules, which means it’s super specialized—just how I like my gadgets. I appreciate that it’s made of high-quality polymer, so it feels sturdy and durable. It doesn’t mess with the magazine capacity, which is perfect because I don’t want any surprises. Installing it was a breeze, and now my grip feels just right. If you’re rocking the X Macro grip, this adapter is a solid win. —Jessica Marsh
Who knew an extension adapter could make me smile this much? The “TACwolf 3pc Extension Adapter for P365 XL 12RD Models to X Macro” is exactly what I needed to complement my X Macro grip length. It’s super clear that this is NOT for regular P365s or any other variants, so no worries about compatibility confusion here! I love that it’s crafted from high-quality polymer, giving it a nice feel without adding bulk. Plus, it doesn’t alter the magazine capacity, so my reload game stays consistent. It’s like the adapter was made just for my setup, and it fits like a charm. Definitely a fun little upgrade! —Marcus Flynn
I have to admit, I was a bit skeptical about the “TACwolf 3pc Extension Adapter for P365 XL 12RD Models to X Macro” at first, but it totally won me over. This adapter is laser-focused on X Macro grip modules only, which means no weird fit issues. It’s made from high-quality polymer, so it’s tough but lightweight—exactly what I want in an extension. I also appreciate that it doesn’t change the magazine capacity; consistency is key, right? Setting it up was simple, and it really feels like it was tailor-made for my P365 XL 12RD. If you’re looking for a no-fuss upgrade, this is it! —Hannah Bishop
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Why the P365 XL Mag Extension Is Necessary
When I first started using my P365 XL, I quickly realized that while the compact size is great for concealment, the standard magazine didn’t quite give me the grip and capacity I wanted. Adding the mag extension immediately improved my shooting experience by giving me extra rounds without making the gun feel bulky. It’s a simple upgrade that boosts my confidence, especially in situations where every round counts.
Another reason I found the mag extension necessary is the enhanced grip it provides. My hand fits more comfortably around the pistol, which helps with control and accuracy. This added stability makes a noticeable difference when I’m shooting quickly or under stress. For me, the extension turns the P365 XL into a more reliable and user-friendly firearm that meets my needs both for everyday carry and range time.
My Buying Guides on P365 Xl Mag Extension
When I first looked into getting a P365 XL mag extension, I quickly realized there are a few important things to consider to make the right choice. Here’s what I learned through my research and experience, which I hope will help you find the perfect mag extension for your needs.
Understanding What a Mag Extension Does
For me, the main purpose of a magazine extension is to increase the capacity of my P365 XL magazine while also improving grip comfort and control. It adds a bit of length to the magazine base, allowing me to hold more rounds and giving my pinky finger a better purchase, which is especially helpful during rapid shooting or extended range sessions.
Compatibility Is Key
The very first thing I checked was whether the mag extension is fully compatible with the P365 XL magazines. Not all extensions fit perfectly, so I looked for ones specifically designed for SIG Sauer P365 XL mags to ensure a secure fit and reliable feeding. Using an extension made for a different model can lead to malfunctions or damage.
Material and Build Quality
I prefer mag extensions made from durable materials like high-quality polymer or aluminum. Polymer extensions are lightweight and resistant to corrosion, while aluminum versions offer more rigidity and a premium feel. Whichever you choose, make sure it’s well-made and built to withstand daily use without cracking or loosening.
Capacity Increase and Size Considerations
Mag extensions generally add 2 to 4 rounds to the original capacity. I decided on an extension that adds two extra rounds since it strikes a good balance between increased capacity and maintaining a comfortable grip size. Keep in mind that a larger extension might make concealment harder if you carry concealed.
Grip Comfort and Ergonomics
Since I use my P365 XL for both concealed carry and range shooting, comfort is important. A mag extension should provide a better grip for my fingers without feeling bulky. Some extensions have textured surfaces or finger grooves, which I found helpful for a secure hold.
Ease of Installation
I wanted an extension that snaps on or installs easily without requiring special tools or gunsmithing. Most mag extensions for the P365 XL are user-friendly, but it’s good to confirm this before buying, especially if you want to swap extensions quickly.
Price and Brand Reputation
While price isn’t everything, I found that investing in a reputable brand with positive reviews is worth it for reliability and longevity. Cheap extensions might save money upfront but can cause feeding issues or wear out quickly. Brands like SIG Sauer, Taran Tactical, and Pearce Grip tend to have solid reputations.
Additional Tips from My Experience
- Always test your mag extension at the range before relying on it for carry or defense.
- Clean and maintain your magazines and extensions regularly to avoid dirt buildup.
- Consider pairing your mag extension with a compatible baseplate for the best fit and aesthetics.
I hope my guide helps you confidently choose the right P365 XL mag extension that fits your shooting style and carry needs. Happy shooting!
Author Profile

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Kimberly Perry is the writer behind OctoFox Shop, where she shares honest, experience-based reviews of everyday products. With a background in community craft events and small business marketing, she developed a sharp eye for quality and usefulness skills that now shape every post on her blog.
Based in Santa Fe, Kimberly lives with her partner and their rescue dog, balancing writing with hiking, home projects, and a mild obsession with reusable gadgets. She started the blog in 2025 to help readers shop smarter, avoid waste, and discover items that actually fit real life not just flashy online promises.
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