The SIG Sauer P320 Full Size Pro is a modular, striker-fired pistol chambered in 9mm and configured with a full-size grip module, a full-length slide, and a 4.7-inch barrel. Its smooth, crisp trigger and balanced full-size layout support controlled target shooting, duty use, and home defense. Fixed X-Ray3 day and night sights provide a clear aiming reference, while the M1913 accessory rail accepts compatible lights and lasers. The P320 platform also features an intuitive three-point takedown system and interchangeable fire-control and grip components for versatile configuration.

Key features

• Full-size 9mm pistol with a 17+1 capacity for duty, defensive, and range applications
• Striker-fired action with a smooth, crisp trigger for consistent shot control
• 4.7-inch barrel and full-length slide support sighted accuracy and recoil management
• X-Ray3 day and night sights provide a visible aiming reference in changing light
• Modular polymer grip module can be adapted to fit different hand sizes and preferences
• M1913 accessory rail supports compatible lights and lasers

The SIG Sauer P320 Full Size Pro combines a capable full-size configuration with modular ergonomics and duty-ready features for qualified purchasers.