Sig Sauer P320 Full Size 9mm 4.7" Barrel Pistol - 320F-9-B

SIG SAUER P320 Full Size 9mm Pistol: Built for Shootability and Accuracy

The SIG SAUER P320 Full Size delivers the smooth, crisp striker-fired trigger and unmatched modularity that define the P320 platform, packaged in a full-size configuration optimized for target shooting, home defense, and any scenario where sighted accuracy and raw shootability are the top priorities. 

With a 4.7-inch barrel, full-length slide, and 17-round capacity, this is the P320 at its most capable and confidence-inspiring.

• Manufacturer Part: 320F-9-B
• UPC: 798681506019
• Caliber: 9mm Luger
• Action: Semi-automatic, striker fired
• Size: Full Size
• Barrel Length: 4.7 inches
• Capacity: 17 rounds
• Accessories: Includes 2 magazines
• Sights: Steel 3-dot contrast sights, fixed
• Grip: Full-size grip module
• Slide: Full-length
• Frame Material: Polymer
• Color: Black
• Safety: Striker safety and disconnect safety

Two 17-round magazines are included, putting 34 rounds of 9mm Luger at your disposal right out of the box. The intuitive 3-point takedown system makes field stripping fast and tool-free, keeping maintenance simple for shooters at every experience level.

P320 Full Size Design Built for Performance

The SIG SAUER P320 Full Size was engineered around the shooter's need for confidence and control in every situation. The full-size grip module fills the hand naturally, reducing muzzle rise and improving split times for follow-up shots. 

The 4.7-inch barrel extends sight radius compared to compact variants, giving the steel 3-dot contrast sights more distance to work with and supporting more precise shot placement at longer ranges. 

The striker safety and disconnect safety operate passively in the background, providing reliable mechanical protection without any manual safety to manage under stress, keeping the draw-to-fire sequence as clean and efficient as possible.

P320 Full Size Modularity and Long-Term Value

One of the defining advantages of the SIG SAUER P320 Full Size is the platform's legendary modularity. The serialized fire control unit is the legal firearm, meaning the grip module, slide, and barrel can all be swapped to reconfigure the pistol for different roles, calibers, or user preferences over time. 

The full-size configuration represents the baseline of maximum capability within the P320 family, offering the longest sight radius, the largest grip surface, and the highest standard magazine capacity of any P320 variant. The black polymer frame resists corrosion and keeps the overall weight manageable without sacrificing rigidity or durability during high-volume range use.

Why Shooters Choose the P320 Full Size

The P320 platform earned one of the most competitive military and law enforcement adoption records in modern handgun history, and the Full Size variant delivers the same core performance to civilian shooters in a straightforward, no-compromise package. 

Whether the intended role is home defense, competition, range training, or duty carry, the combination of a 4.7-inch barrel, 17-round capacity, smooth factory trigger, and the full-size grip module gives the shooter every mechanical advantage the platform can offer. 

The two included magazines, fixed contrast sights, and proven polymer frame construction make the P320 Full Size an exceptional value for anyone who wants a serious, proven, and endlessly adaptable 9mm pistol ready to perform from day one.