SHS Airsoft AEG Tune-Up Spring Upgrade

SHS Airsoft AEG Tune-Up Spring Upgrade

The SHS AEG Spring Upgrade is an excellent alternative to the other springs currently available on the market. It can be used in almost any AEG gearbox and is made of steel piano wire for enhanced durability, reliability, and longevity. It is suggested to check your gearbox to make sure the supporting parts can handle the strength of the spring.

Specifications (Using 0.20g BBs)

• M90 - Approx 320fps 
• M100 - Approx 340fps
• M110 - Approx 370fps 
• M120 - Approx 410fps
• M130 - Approx 430fps 
• M140 - Approx 450fps