JB Unicorn Taiwan Airsoft M140 Airsoft AEG Upgrade Spring 370+ FPS
Generate approx. 370 - 390 FPS for your AEG
Fits V2 / V3 Gear Box
Fully Compatible with Aftermarket Airsoft Guns using TM compatible Gear Box
JB Unicorn Taiwan Airsoft M140 Airsoft AEG Upgrade Spring 370+ FPS
Generate approx. 370 - 390 FPS for your AEG
Fits V2 / V3 Gear Box
Fully Compatible with Aftermarket Airsoft Guns using TM compatible Gear Box
