The Sig Sauer MPX K establishes a benchmark for compact 9mm platforms, engineered for robust performance and operational versatility. This AR pistol variant integrates a closed bolt gas piston system, ensuring consistent reliability across diverse operating conditions, from dynamic competition to demanding tactical applications. Its design prioritizes modularity and rapid deployment, making it a critical asset for professionals and discerning enthusiasts alike.
Key Features
Closed Bolt Gas Piston System
The core of the MPX K’s operational integrity is its closed bolt gas piston system. This mechanism mitigates fouling within the receiver, reducing maintenance requirements and enhancing long-term durability. It provides a consistent, smooth cycling action, critical for maintaining precision and control during rapid fire sequences.
Compact & Deployable Design
Equipped with the SIG PCB folding brace, the MPX K achieves an exceptionally compact profile, facilitating discreet transport and storage. The brace design allows for full operational capability even when folded, providing immediate readiness without compromise. This feature is paramount for confined space operations or situations demanding rapid deployment from a concealed state.
Modular System
The MPX K platform is inherently modular, allowing users to adapt its configuration to specific mission profiles. It supports various handguard and barrel length options, enabling quick customization. Furthermore, its design is optimized for seamless suppressor integration, ensuring reduced sound signatures and enhanced operational stealth without requiring proprietary modifications.
Enhanced Ergonomics & Controls
Operator interface is optimized through an updated M-LOK handguard, providing versatile accessory attachment points while maintaining a slim, comfortable profile. The inclusion of a Timney Trigger delivers a crisp, predictable break, reducing split times and improving shooter control. A black polymer grip ensures a secure purchase under varying environmental conditions.
Technical Specifications
- **Caliber:** 9mm Luger
- **Barrel Length:** 4.50 inches
- **Capacity:** 30+1 Rounds (Includes one 35rd polymer magazine)
- **Action:** Semi-Automatic
- **Operating System:** Closed Bolt Gas Piston
- **Stock/Brace:** SIG PCB Folding Pivoting Contour Brace
- **Grip:** Black Polymer
- **Handguard:** M-LOK
- **Trigger:** Timney Trigger
- **Metal Finish:** Black Hard Coat Anodized
- **SKU:** LIP|SIPMPX4B935
