Description
Sig Sauer Sig Air MCX Aeg
Sig Sauer Sig Air MCX Aeg
Overview & Realism
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Officially licensed by SIG AIR/VFC, the MCX AEG faithfully replicates the real-steel MCX platform—including its ambidextrous controls, adjustable telescoping stock, and M‑LOK handguard—giving it authentic weight and handling
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CNC-machined alloy upper receiver with polymer lower, paired with a full-length Picatinny rail—perfect for mounting optics. It also accepts standard AR-style accessories, including stocks and magazines .
 
Internals & Performance
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Powered by a VFC Avalon Version 2 (2.1) gearbox featuring a built-in MOSFET, quick-change spring system (allowing easy indoor/outdoor tuning), high-torque motor, and steel bearings
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Includes dual springs (e.g., M100 & M120)—stock FPS around 390–420 fps, easily swapped for field-legal performance.
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Front-wired into the M‑LOK handguard, supports 7.4–11.1 V LiPo batteries; MOSFET ensures safe, sharp trigger response.
 
Handling & Specs
| Feature | Specification | 
|---|---|
| Calibre | 6 mm BB | 
| Magazine | 120 rnd mid-cap (M4-pattern) | 
| Barrel (inner) | ~295 mm brass | 
| Overall length | ~580–737 mm (varies stock posn) | 
| Weight | ~2.8–3.0 kg (6.2‑7 lb) | 
| Fire Modes | Safe/Semi/Full-auto | 
| Hop-Up | Adjustable rotary via charging handle access | 
| Outer Barrel | 14 mm CCW threaded for accessories | 
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True-to-life feel with full ergonomics and licensed trademarks.
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Modular and upgrade-friendly: Accepts AR/M4 parts and aftermarket gear, including stocks and barrels.
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Reliable out of the box: Accurate, consistent performance with effective FPS through spring tuning .
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User-focused features: MOSFET for electrical safety, quick spring swap, ambidextrous controls, and front wiring enhances usability.
 
The SIG AIR MCX AEG is a premium, modular electric rifle with faithful real-steel replication and user-friendly internals, especially following minor upgrades. It’s ideal for players seeking realism, adaptability, and long-term upgrade paths. For a compact yet powerful platform with SIG pedigree, it’s one of the standout AEGs—but be ready to handle its weight and tweak its internals and fit for maximum performance.







