CowCow Airsoft TM Hi-Capa 4.3/5.1 RS1 Dual Tension Recoil Spring (GG08-13)

The CowCow Hi-Capa RS1 Dual Tension Recoil Spring is for the Tokyo Marui Hi-Capa series and is calibrated to be stronger/stiffer than the stock return spring and designed to work in synergy with other components designed to increase power and make the cyclic action faster and snappier. 

Features:

• Made from high-strength steel
• Its short-length design with 2 different tensioned coil zones enhances cycling efficiency
• The hard coating prevents corrosion
• Provides 120% and 140% power on the different tension zones