HPA AEG Spring – High-Quality Upgrade Spring for Airsoft AEG's

The HPA AEG Spring is a precision-manufactured upgrade spring designed to deliver consistent FPS output and reliable performance in airsoft AEG gearboxes. Built from high-quality steel with uniform coil spacing, this spring provides smooth compression and dependable shot-to-shot consistency while minimizing fatigue over extended use. Ideal for tuning your rifle to meet field limits or optimizing performance, the HPA AEG Spring installs easily into most standard Version 2 and Version 3 gearboxes. Whether you’re upgrading internals, rebuilding a gearbox, or dialing in your setup, this spring offers dependable durability and consistent power.

Features

• High-quality AEG upgrade spring

• Designed for consistent FPS and reliable compression

• Precision steel construction for long service life

• Helps tune rifles to field or event limits

• Compatible with most V2 and V3 gearboxes

• Smooth compression reduces gearbox stress

• Ideal for upgrades, rebuilds, and maintenance

• Made in the USA 

Specs

• Brand: HPA

• Product Type: AEG Main Spring

• Material: Heat-treated steel

• Compatibility: Most standard AEG gearboxes (V2 / V3)

• Use Case: FPS tuning, gearbox rebuilds, performance upgrades

• Installation: Standard AEG spring replacement