SIG SAUER P320 FULL SIZE .45 ACP PISTOL

SIG SAUER P320 Full Size – .45 ACP, 4.7″ Barrel, Nitron Finish, 10-Round

The SIG SAUER P320 Full Size .45 ACP is a full-size striker-fired, semi-automatic pistol built around SIG SAUER’s modular P320 platform. Chambered in the powerful .45 ACP cartridge, this model combines a large-caliber chambering with modern ergonomics, a smooth trigger system, and the flexibility of SIG’s interchangeable grip module design.

Featuring a 4.7-inch barrel, Nitron®-finished stainless steel slide, and a polymer grip module, the P320 Full Size provides excellent balance, recoil control, and durability. The pistol’s serialized fire control unit (FCU) allows customization through compatible grip modules, while the full-size frame offers a comfortable shooting platform with an extended sight radius for improved accuracy.

The P320 Full Size .45 ACP includes contrast sights, an integrated MIL-STD-1913 Picatinny accessory rail, and a 10-round magazine capacity. Designed for range shooting, training, and other lawful applications, it delivers the reliability and adaptability expected from the P320 family in a classic .45 ACP configuration.

Specifications

Key Features

• Chambered in .45 ACP
• Full-size 4.7-inch barrel
• Durable Nitron® stainless steel slide
• Modular SIG P320 FCU platform
• Striker-fired operating system
• Full-size ergonomic grip module
• 10-round magazine capacity
• High-visibility contrast sights
• Integrated Picatinny accessory rail
• Smooth, consistent trigger pull
• Excellent balance of power, control, and customization

The SIG SAUER P320 Full Size .45 ACP offers a modern modular handgun design combined with the proven performance characteristics of the .45 ACP cartridge, making it a versatile full-size pistol for shooters who prefer a larger caliber platform.