When choosing a full-size defensive pistol, balance of shootability, modularity and simple operation are top priorities. A platform that adapts to different hand sizes, provides a crisp trigger and accepts extended magazines gives a homeowner or competitive shooter an immediate advantage on the range and in high-stress scenarios.

SIG SAUER P320 is a full-size, striker-fired, polymer-frame semi-automatic pistol chambered in 9mm Luger built for that combination of adaptability and performance. The package includes a 4.7″ carbon steel barrel with DLC coating, Nitron finish, white-dot sights, a medium full-size grip module with a full-length accessory rail and two 17-round magazines. Shop this product

Design and Modularity

The P320’s modular fire-control unit is its standout trait. The medium full-size grip module offers a comfortable, consistent purchase for a wide range of shooters and the full-length accessory rail accommodates lights and lasers for low-light home defense. The intuitive 3-point takedown makes field-stripping fast without pulling the trigger—valuable for safe maintenance and training rotations.

Trigger and Controls

As a striker-fired pistol, the P320 delivers a smooth, crisp trigger that enhances follow-up shot accuracy. Controls are cleanly sculpted and accessible, and the full-length slide geometry helps deliver a natural sight radius for improved sighted accuracy at typical engagement distances.

Barrel, Sights and Capacity

The 4.7″ carbon steel barrel finished with DLC provides durability and corrosion resistance while improving service life under regular use. Factory white-dot sights are fast to acquire; the two included 17-round magazines give 34 rounds on-hand before reloads, which is useful for home defense or extended range sessions. The 9mm Luger chambering balances controllability, magazine capacity and affordable ammo availability.

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Safety, Condition and Value

Built-in striker and disconnect safeties provide passive internal safety without external manual levers. This particular example is used and listed as part of an estate, which can represent solid value at the listed price of $399.99 for a full-size SIG platform with two 17-round magazines and the noted finish and sights.

Ready for Duty

For shooters seeking a reliable full-size platform for target work or home defense, the SIG SAUER P320 offers a proven, modular solution. Click through to check current availability and see the full product page where you can complete a purchase through our retailer.

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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.