The balance between power and modularity defines modern defensive handguns. For shooters who demand a full-size platform capable of heavy-hitting performance and easy customization, this pistol delivers on both fronts.

SIG SAUER P320 XTEN

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Overview

The SIG SAUER P320 XTEN is a full-size, striker-fired 10mm semi-auto built for users who want a configurable system with serious ballistic capability. The example listed with serial number 58J457071 ships in its original box with papers and includes an extra magazine—features collectors and buyers appreciate. Priced at $799.99, it sits squarely as a high-value option in the semi-auto 10mm segment.

Key Features & Practical Benefits

Caliber & Ballistics

Chambered in 10mm Auto, the SIG SAUER P320 XTEN offers significantly more energy and longer effective range than typical service calibers. That makes it suitable for defensive roles where barrier performance or stopping power is prioritized, and for hunters seeking a handgun platform with practical terminal performance.

Slide, Barrel & Accuracy

Equipped with a stainless steel slide finished in durable Nitron and a 5″ barrel, the pistol gains improved velocity and sight radius for tighter groups at distance. The longer barrel also helps tame recoil impulse and increases muzzle energy for heavier 10mm loads.

Modularity & Controls

The modular Fire Control Unit (FCU) allows owners to swap grip modules, frames, and even change caliber setups without a gunsmith. The textured polymer grip and accessory rail provide secure handling and the option to mount lights or lasers for duty or home defense applications. The striker-fired trigger offers a consistent break around 6.5 pounds, aiding shot control under stress.

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Capacity, Recoil & Use

The XTEN typically ships with a 15-round magazine and includes an extra mag in this listing—good capacity for a full-size 10mm. Built-in recoil spring management and the pistol’s mass help mitigate the strong recoil inherent to 10mm, making it more controllable for follow-up shots during range sessions or defensive scenarios.

Buying Notes

This listing includes the original box, paperwork, and an extra magazine—items that add value and peace of mind at the $799.99 price point. For hands-on shooters and professionals looking for a scalable platform in the Semi Auto category, the SIG SAUER P320 XTEN is worth evaluating.

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People Also Ask

What makes this product stand out from competitors?

This product offers superior quality and innovative features that set it apart in the market. Its design focuses on both performance and reliability, making it a top choice for professionals and enthusiasts alike.

Is this product suitable for beginners?

Yes, this product is designed with user-friendly features that make it accessible to beginners while still offering advanced capabilities for experienced users.

What warranty or support is available?

The product comes with comprehensive warranty coverage and excellent customer support to ensure your satisfaction and peace of mind.

How does this compare to similar products in its price range?

This product offers exceptional value for its price point, providing features and quality that typically cost significantly more in comparable alternatives.

What maintenance is required?

Minimal maintenance is required thanks to the product’s durable construction and quality materials. Regular cleaning and occasional inspections will keep it performing optimally.