Sig Sauer P320 Nitron Compact 45 ACP

SIG Sauer P320 Nitron Compact .45 ACP — Description

The SIG Sauer P320 Nitron Compact .45 ACP is a modern, modular striker-fired pistol designed to deliver the power of the .45 ACP cartridge in a compact and versatile platform. Featuring SIG Sauer’s innovative modular design, the P320 allows users to customize grip size and configuration while maintaining a consistent fire control system. (Wikipedia)

Built with a durable Nitron-coated stainless steel slide, a lightweight polymer grip module, and SIGLITE night sights, the P320 Nitron Compact combines reliability, ergonomics, and practical carry dimensions. Its compact frame provides a balance between shootability and portability, making it suitable for range use, duty applications, and personal protection. (Sig Sauer)

The pistol features a smooth striker-fired trigger system, ambidextrous controls, an accessory rail for lights or other compatible accessories, and a corrosion-resistant finish designed for long-term durability. The .45 ACP chambering provides proven large-caliber performance while maintaining the handling characteristics of the P320 platform. (Sig Sauer)

SIG Sauer P320 Nitron Compact .45 ACP — Specifications

Manufacturer: SIG Sauer
Model: P320 Nitron Compact
Caliber: .45 ACP
Action: Striker-fired, semi-automatic
Frame Material: Polymer with stainless steel fire control unit
Slide Material: Stainless steel with Nitron finish
Barrel Length: 3.9 inches
Overall Length: Approx. 7.2 inches
Height: Approx. 5.5 inches
Width: Approx. 1.3 inches
Weight: Approx. 29–31 oz (depending on configuration)
Magazine Capacity: 9 rounds
Magazine Type: Steel detachable magazine
Sights: SIGLITE night sights
Trigger: Standard P320 striker-fired trigger
Safety Features: Internal safety mechanisms, striker safety, disconnect safety
Controls: Ambidextrous slide catch; reversible magazine release
Accessory Rail: Integrated Picatinny-style rail
Finish: Black Nitron slide with black polymer grip module
Operating System: Short recoil, locked breech design (Sig Sauer)

Key Features

• Powerful .45 ACP chambering in a compact pistol format
• Modular P320 platform with interchangeable grip modules
• Nitron-coated slide for enhanced corrosion resistance
• SIGLITE night sights for improved low-light visibility
• Ergonomic polymer grip for comfortable handling
• Accessory rail for compatible attachments
• Reliable striker-fired operation with consistent trigger performance
• Compact dimensions suitable for versatile carry options (Sig Sauer)

Package typically includes:

• SIG Sauer P320 Nitron Compact .45 ACP pistol
• Two 9-round magazines
• Locking case
• Owner’s manual
• Safety documentation (Sig Sauer)