SIG SAUER MPX K Pistol 9mm 4.5″ Black 35-Round

Description

SIG SAUER MPX K 9mm Pistol

The SIG SAUER MPX K is a compact version of SIG SAUER’s purpose-built MPX platform, combining a short 4.5-inch barrel with a piston-driven operating system and familiar control layout. Chambered in 9mm, the MPX K provides a distinctive alternative to traditional blowback-operated pistol-caliber platforms.

This configuration features a 4.5-inch barrel, short-stroke gas piston operating system, M-LOK handguard, ambidextrous controls and 35-round magazine in a compact black package.

Compact 4.5-Inch Barrel

The SIG SAUER MPX K features a compact 4.5-inch barrel that helps minimize the pistol’s overall dimensions while retaining the functionality of the larger MPX platform.

The short barrel makes the MPX K substantially more compact than conventional carbine-length configurations and is one of the defining characteristics of the K model.

Short-Stroke Gas Piston System

Unlike many pistol-caliber platforms that rely on direct blowback operation, the MPX K uses SIG SAUER’s short-stroke gas piston system.

This operating system is a defining feature of the MPX family and allows SIG SAUER to combine 9mm chambering with a purpose-built piston-driven architecture.

9mm Chambering

The SIG SAUER MPX K is chambered in 9mm, one of the most widely available centerfire pistol cartridges in the United States.

The combination of 9mm ammunition and the compact MPX platform makes the pistol well suited for recreational shooting, range use and training applications.

M-LOK Handguard

A compact M-LOK handguard provides mounting positions for compatible accessories while maintaining the streamlined dimensions of the MPX K.

The modular interface allows shooters to configure the platform with compatible accessories without the unnecessary bulk of a traditional full-length quad rail.

Ambidextrous Controls

The MPX platform incorporates ambidextrous controls designed to provide convenient operation for both right- and left-handed shooters.

The familiar control layout also makes the SIG SAUER MPX K intuitive for shooters already accustomed to modern AR-style platforms.

35-Round Magazine Capacity

This MPX K configuration includes a 35-round detachable magazine, providing substantial ammunition capacity for range sessions and recreational shooting.

The high-capacity magazine complements the compact dimensions of the pistol while providing significantly more rounds between reloads than traditional handgun magazines.

Modular MPX Platform

Modularity is central to the MPX design. The platform combines familiar controls with a purpose-built receiver and piston operating system engineered specifically around pistol-caliber ammunition.

This architecture gives the MPX K a distinctly different design from both conventional handguns and traditional blowback-operated pistol-caliber carbines.

Compact SIG SAUER Piston-Driven Platform

The SIG SAUER MPX K combines a 4.5-inch barrel, short-stroke piston operation, M-LOK accessory compatibility and high-capacity magazine in a compact 9mm platform.

For shooters searching specifically for a compact SIG SAUER MPX, the K configuration delivers the core characteristics of the MPX family in one of its most compact and versatile factory configurations.

SIG SAUER MPX K Features

• Manufacturer: SIG SAUER
• Model: MPX K
• Caliber: 9mm
• Action: Semi-automatic
• Barrel Length: 4.5 inches
• Operating System: Short-stroke gas piston
• Handguard: M-LOK
• Controls: Ambidextrous
• Magazine Capacity: 35 rounds
• Color: Black
• Platform: SIG SAUER MPX