The SHS M140 AEG upgrade spring is a go-to component for techs and players refining their gearbox performance. This TH1016-spec spring delivers the chronograph consistency and longevity that separates a well-tuned build from an unpredictable one.
Key Features
- M140 spring rate – tuned for mid-range fps and reliability
- Direct gearbox replacement – compatible with most V2 and V3 configurations
- Consistent energy output – minimises fps variation across magazines
- Long cycle life – engineered for durability under sustained fire
- Budget-friendly upgrade – affordable starting point for performance tuning
Real-World Use Cases
Ideal for skirmishers building a new AEG from scratch or refreshing an aging platform. Milsim players rely on the SHS M140 to hit site velocity limits while maintaining shot consistency. Target shooters use it as a foundation spring before fine-tuning with heavier or lighter alternatives. Works well in woodland and urban environments where reliable performance matters.
UK Legal & Site Notes
Spring upgrades do not alter the legal two-tone finish status of your replica. Always chrono your build before attending a skirmish to confirm fps compliance with your site’s rules (typically 100–120 m/s for AEGs). Pair with appropriate cylinder volume to avoid overspin.
Order your SHS M140 spring today and build the gearbox you trust.
Related products
