Sig Sauer MCX MPX – Black – HPA with Wolverine Inferno 2 (Spartan Edition) (I)

The Sig Sauer MCX MPX – Black – HPA (Spartan Edition) is a high-performance HPA-powered rifle built for players who demand elite consistency, instant trigger response and rock-solid reliability. Based on the MCX platform and fitted with the Wolverine Inferno 2 HPA engine, this build delivers smooth, tunable performance with minimal mechanical wear.

Finished in non two-tone black and constructed from metal and polymer, this Spartan Edition setup is designed for competitive skirmishing, high-tempo gameplay and players moving beyond traditional AEG limitations.

Key Features (Quick View)

• HPA-powered rifle with Wolverine Inferno 2 engine

• Spartan Edition performance-focused build

• Safe / Semi / Full-Auto fire modes

• Adjustable hop-up system

• MCX platform ergonomics

• Metal and polymer construction

• Ultra-consistent FPS and air efficiency

• Non two-tone finish

Construction & Reliability

The MCX MPX platform combines a rigid metal upper with reinforced polymer components to balance durability and handling. Internally, the Wolverine Inferno 2 replaces conventional gearboxes with a sealed, electro-pneumatic HPA system, eliminating gears, pistons and springs that commonly fail under stress.

This results in a system that runs cleaner, cooler and more consistently over long skirmish days, even under high rates of fire.

Performance & Field Use

HPA power delivers instant trigger response, exceptional air efficiency and highly consistent shot-to-shot performance. The Inferno 2 engine allows fine tuning via air pressure and dwell settings, making it easy to meet site limits while maximising accuracy and range.

Full-auto remains smooth and controlled, while semi-auto delivers crisp, repeatable shots—ideal for competitive play, speedsoft, or aggressive outdoor skirmishing where reliability is critical.

Compatibility

• Platform: MCX

• HPA air system required (tank, line & regulator not included)

• Compatible with MCX-style magazines (platform dependent)

Ideal For

• Competitive and advanced airsoft players

• HPA users seeking maximum consistency

• High-tempo CQB and outdoor skirmishes

• Players upgrading from AEG to HPA platforms

Product Specifications

• Brand: Sig Sauer

• Weapon Type: Rifle

• Power Source: HPA

• HPA Engine: Wolverine Inferno 2 (Spartan Edition)

• Fire Modes: Safe / Semi / Full Auto

• Hop-Up: Adjustable

• Platform: MCX

• Construction: Metal / Polymer

• Two-Tone: No

Range Overview – HPA Performance Builds

HPA-powered airsoft platforms are built for players who prioritise consistency, efficiency and control. By removing mechanical drivetrain limitations, HPA systems deliver predictable output, reduced maintenance and superior reliability across all conditions—making them the preferred choice for competitive and high-use environments.

Manufacturer

Sig Sauer is globally recognised for producing precision-engineered firearms and platforms trusted by military, law enforcement and professional users worldwide. Their airsoft-licensed platforms reflect the same emphasis on ergonomics, realism and performance.

The Wolverine Inferno 2, produced by Wolverine Airsoft, is regarded as one of the most reliable and tunable HPA engines available, offering exceptional consistency and durability for serious players.

Safety Information

HPA-powered airsoft replicas operate using high-pressure air systems. Always ensure tanks, regulators and lines are correctly rated, maintained and connected before use. Wear certified eye protection at all times and comply with site rules and local laws regarding airsoft use, transport and storage. This replica is intended for airsoft skirmishing only.