Enhanced Recoil/Hammer Spring For MARUI DE.50 (150%)

Replace Standard Recoil & Hammer Spring
150% Stronger than the original springs
Recoil Spring produces stronger & faster blowback feel
Hammer Spring increase the hammer tension resulting higher gas output, i.e. more power (FPS)
Best use in Conjunction with Metal Slide/Outer Barrel + High Flow Blow off Valve
Upgrade Kit Includes:
1. 150% Enhanced Recoil Spring
2. 150% Enhanced Hammer Spring