Description
The SIG Sauer P320 XTen Endure 10mm is a pistol chambered in 10mm Auto with a 5-inch barrel and a 15+1 capacity. It carries the build quality SIG Sauer is known for and is ready for carry, home defense, or the range.

SIG Sauer P320 XTen Endure 10mm Overview
The P320 is SIG Sauer’s modular striker-fired platform and the basis for the U.S. Army’s M17 and M18 service pistols. The serialized fire control unit is the actual firearm, so grip modules, slides, and barrels can be swapped to change the pistol’s size and feel. Its trigger is smooth and predictable, and the platform has proven itself in military, law enforcement, and civilian hands.
Carry and Use
The P320 works for everything from duty and home defense to competition. The grip modules are well textured, the controls are easy to reach, and the slide is cut for a red dot on optic-ready models.
Trigger and Controls
The P320 trigger has a consistent pull with a crisp break and a short, positive reset. Controls include an ambidextrous slide catch on many models and a reversible magazine release, so it works for left- and right-handed shooters.
Sights and Optics
The slide is cut for a red dot optic, so you can add one whenever you are ready. Until then, the factory sights give you a clear, familiar sight picture.
Caliber
The 10mm Auto is a powerful semi-auto cartridge that delivers flat trajectories and deep penetration, making it popular for backcountry protection and hunting as well as defense.
Why SIG Sauer
SIG Sauer traces its roots back more than 150 years, and its pistols and rifles are carried by the U.S. military, federal agencies, and police departments across the country. That track record means proven designs, quality materials, and strong support for parts and accessories.
Factory Features
Here is how this model is configured from the factory:
- Black Bull Barrel
- Coyote Brown Cerakote Optic Ready/Serrated with Laser Etched Topographic Pattern Stainless Steel Slide
- Black Stainless Steel Frame with Beavertail & Picatinny Rail
In the Field
The SIG Sauer P320 XTen Endure 10mm is ready for everyday carry, home defense, and range training. With 15 rounds on board, you have plenty of capacity. Pair it with a quality holster, spare magazines, and a light and it is ready to go.
Specifications
- Model: P320 XTen Endure Full Size Frame
- Caliber: 10mm Auto
- Barrel Length: 5″
- Capacity: 15+1
- Manufacturer SKU: 320X510CXR3CWR2
- Distributor Item: SS 160199
- UPC: 798681690336
Learn more about SIG Sauer firearms at SIG Sauer.
Care and Cleaning
Cleaning is straightforward. Unload the pistol, field-strip it according to the manual, clean the bore with a brush and patches, wipe carbon from the slide rails and breech face, and apply a light coat of quality gun oil to the contact points. Wipe the exterior with a lightly oiled cloth before storage, and keep the optic lens clean and its mounting screws snug.
Before You Buy
Federal law requires handgun purchases to go through a licensed dealer, and buyers must be 21 or older to purchase a handgun from a dealer. Some states and localities restrict magazine capacity and certain features, so check your local laws before you order. We ship to the FFL dealer of your choice, and your dealer handles the background check and transfer.
Who It Is For
The SIG Sauer P320 XTen Endure 10mm is built for shooters who want a dependable, accurate handgun from one of the most respected names in the industry.
Buy the SIG Sauer P320 XTen Endure 10mm at MAG5 Firearms
MAG5 Firearms is based in Collegeville, Pennsylvania, and ships to licensed dealers across the country. Order the SIG Sauer P320 XTen Endure 10mm online, choose your FFL at checkout, and we will handle the rest. You can also browse our full selection of handguns. If you have questions about accessories, our team is happy to help.









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