Sig Sauer MPX-K Sportsline AEG (Black - Compact- Folding Stock)

Key Features 

• Fully licensed SIG SAUER MPX-K sub-compact rifle with authentic trademarks throughout the body.
• Extremely short profile (approx. 390mm / 15.3″ collapsed), optimized for maximum agility and maneuverability in tight corners.
• Durable yet lightweight Nylon Polymer body with a Full Metal Gearbox for excellent weight savings (approx. 1.6 kg / 3.6 lbs).
• Features a Modified Version 2 Gearbox with a Quick-Change Spring System for easy FPS tuning (indoor/outdoor) and compatibility with most standard V2 components.
• Includes ambidextrous fire controls and magazine release for seamless manipulation by both left- and right-handed users.
• Features an M-LOK Handguard and a full-length 1913 Picatinny top rail for optics and accessories.
• Delivers field/CQB ready velocity (approx. 280–320 FPS depending on region/spring), powered by 7.4V to 9.6V batteries.
• Adjustable Hop-Up
• Magazine Capacity: 100rd Mid Cap Magazine!
• Length: 565mm
• Adjustable Hop-Up
• Mini-Tamia 7.4v Lipo Battery  
• Non-blowback

Sub-Compact Domination: The SIG SAUER MPX-K Sportsline AEG

The SIG SAUER MPX-K is a premier sub-compact rifle platform, celebrated for its innovation and performance in professional use.

The SIG SAUER ProForce MPX-K Sportsline AEG, brings this highly desirable, modern platform to the airsoft market, offering uncompromising authenticity and competitive performance at an accessible price point.

Authentic Licensing and Sub-Compact Form

This rifle achieves superior realism, bearing full SIG SAUER licensing and featuring the correct MPX-K markings. Its profile is defined by its sub-compact design.

This minimal length is specifically optimized for maximum agility, making it the ideal weapon for navigating tight corners, doorways, and confined spaces in CQB environments. The included minimalist folding stock further aids transport and storage.

Sportsline Build and Featherweight Agility

The core build utilizes a durable, lightweight Nylon Polymer body, placing this model in the "Sportsline" category. This crucial material choice significantly reduces the overall carry weight.

This Featherweight status is a competitive advantage, minimizing operator fatigue and accelerating target transitions, making the rifle highly effective for high-speed airsoft play.

Advanced Gas Piston System

One of the standout features of the Sig Sauer MPX-K Sportsline is its short-stroke gas piston system. This system significantly reduces recoil and improves reliability, making the firearm suitable for sustained use in rigorous conditions. The gas piston operation also minimizes fouling, ensuring the weapon remains clean and functional even after extended use.

Upgraded V2 Gearbox and Performance

Despite its accessible price, the MPX-K utilizes a modified Version 2 Gearbox—a robust, industry-standard platform known for its upgrade potential. Key internal features include:

• Quick-Change Spring System: Allows the user to quickly swap springs to adjust the FPS (280-320 FPS stock) for compliance with indoor or outdoor field rules without major gearbox disassembly.

• V2 Component Compatibility: The internal components (gears, piston assembly, cylinder) maintain compatibility with most standard V2 aftermarket parts, providing a strong foundation for future upgrades.

Modern Modularity and Ambidextrous Controls

The rifle is fully equipped with modern tactical interfaces. The handguard features M-LOK slots at the 3, 6, and 9 o'clock positions for mounting lights, lasers, and grips.

A full-length 1913 Picatinny top rail provides ample space for optics.

Furthermore, the MPX-K Sportsline AEG is fully ambidextrous, featuring mirrored controls for the fire selector and magazine release, supporting swift and efficient weapon manipulation for all shooters. The adjustable Rotary HOP-up unit is conveniently accessed by pulling back the charging handle.

Adjustable Hop-up

It features an enhanced hop up, which can be accessed by pulling back the charging handle just like most M4 / AR-15 style electric airsoft rifles and turning the adjustment dial in where the chamber would be located. 

Battery & Magazine

The battery is front-wired into the handguard area and is compatible with 7.4V to 9.6V LiPo or NiMH batteries (Note: 11.1V batteries are generally not recommended for this model).

The rifle comes with a 100-round mid-capacity magazine, eliminating the hassle of winding a high-cap magazine. This reliable, agile, and authentically licensed sub-compact AEG is the definitive choice for players seeking SIG SAUER aesthetics without the premium price tag.