SIG SAUER P320 Compact RXP 9mm Pistol with ROMEO1PRO

Description

SIG SAUER P320 Compact RXP 9mm with ROMEO1PRO

The SIG SAUER P320 Compact RXP combines the compact proportions of the P320 with a factory-installed ROMEO1PRO reflex sight. Chambered in 9mm and built around a 3.9-inch barrel, this configuration is sized for duty, range, home-defense, and lawful concealed-carry applications while offering an optic-ready sighting system straight from the factory. The 15-round magazine capacity balances usable ammunition supply with a grip and slide length that remain easier to carry and maneuver than a full-size service pistol.

Factory-Integrated ROMEO1PRO Optic

The defining feature of the RXP configuration is its factory-mounted ROMEO1PRO 6 MOA open reflex sight. Because the optic is installed as part of the complete pistol package, the shooter receives a matched firearm-and-optic system without having to select a separate mounting plate or perform an aftermarket installation. The 6 MOA dot is designed for fast visual acquisition, giving the shooter a clear aiming reference during close- and intermediate-range practice.

The ROMEO1PRO uses a molded-glass aspheric lens with high-performance coatings intended to provide a bright sight picture with minimal distortion. It offers 12 illumination settings—10 for daylight and two compatible with night-vision equipment—along with MOTAC motion-activated illumination. MOTAC powers the dot down during inactivity and restores it when movement is detected, helping preserve the CR1632 battery. SIG rates the optic for up to 20,000 hours of operation and IPX-7 waterproof performance.

Backup Sights and Practical Controls

Tall backup night sights remain usable through the optic window, providing a secondary sighting option if the electronic sight is unavailable. The P320’s ambidextrous slide-catch lever supports right- or left-handed manipulation, while the magazine catch can be reversed to suit the user. Front and rear slide serrations provide gripping surfaces for loading, unloading, chamber checks, and malfunction-clearing drills.

Compact P320 Handling

The compact polymer grip module is designed to offer a secure firing grip without the added height of a full-size frame. Its accessory rail accepts compatible lights or lasers, and the grip shape places the shooter’s hand high behind the bore for controlled recoil management. The striker-fired action provides a consistent trigger system from shot to shot. As with every firearm, safe handling, secure storage, professional instruction, and compliance with all applicable laws remain the owner’s responsibility.

Modular P320 Design

The P320 family is built around a serialized fire-control unit. This modular approach allows compatible grip modules and other factory-authorized components to be changed while retaining the core action, subject to model compatibility and local law. SIG’s three-point takedown system is designed so routine field stripping does not require pulling the trigger. Before any maintenance, the pistol must be unloaded, the magazine removed, and the chamber visually and physically verified clear.

Dimensions and Specifications

• Manufacturer part number: SIG W320C-9-BSS-RXP
• UPC: 798681624430
• Platform: P320 Compact RXP
• Caliber: 9mm Luger
• Action: Striker-fired semi-automatic
• Barrel length: 3.9 inches
• Capacity: 15+1 rounds
• Optic: Factory-installed ROMEO1PRO with 6 MOA red dot
• Backup sights: Tall night sights
• Overall length: 7.2 inches
• Overall height: 6.1 inches with optic
• Overall width: 1.3 inches
• Weight: Approximately 26 ounces with magazine
• Frame: Black polymer compact grip module with accessory rail
• Controls: Ambidextrous slide catch and reversible magazine catch

Who This Configuration Is For

The P320 Compact RXP is suited to shooters who want a compact 9mm pistol with an integrated red-dot system and usable backup sights. Its combination of a 3.9-inch barrel, 15-round capacity, modular P320 architecture, and factory-mounted optic makes it a versatile option for structured training, duty-style use, home defense, and lawful daily carry. Buyers should confirm magazine restrictions, transfer requirements, and permitted configurations before purchase.