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High Quality SHS AEG Upgrade Spring for Airsoft Marui G&P G&G ICS SP120
Full Metal Construction Upgrade Spring M90- M190
Supreme Quality Airsoft Electric Gun Spring
Major Color: Silver
Built Material: Metal
Silver type steel, non-linear spring type. One of our most popular airsoft upgrade springs! Very high quality steel made spring to get your gun running just below 400 FPS. Fits in all standard gearboxes. Perfect for M4 upgrades, custom guns, etc. (please note: packaging may be generic or labeled as 'Rocket Airsoft', but is made by SHS OEM). FPS will be in the 380-400 FPS or so, depending on your gun type. The M120 is the most popular upgrade spring.
Guarder SP100 Spring: 330 FPS
Guarder SP110 Spring: 360 FPS
Guarder SP120 Spring: 390 FPS
Guarder Sp130 Spring: 430 FPS
Guarder SP140 Spring: 460 FPS
Guarder SP150 Spring: 490 FPS
Guarder SP160 Spring: 520 FPS
Guarder SP170 Spring: 560 FPS