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G&G Power Spring Upgrade M120 ( 380 to 410 FPS) for Metal AEG Gearboxes
Features:
FPS Rating: 380 to 410 FPS w/ .20g
For Use With AEG Airsoft Guns w/ Metal Gearboxes
Variable Pitch Spring
Made From High Carbon Steel
Description:
The G&G M120 Upgrade Power Spring is made from high quality carbon steel which insure this spring will hold up for a long time! The variable pitch spring design means that it will provide a consistent FPS over the life of the spring and is less susceptible to being worn in like traditional springs. It is highly recommended that you also upgrade to metal bearings, metal spring guide, polycarbonate piston and other components as needed when using this spring.
Warning: We recommend all upgrade / repair parts are installed by a professional as additional upgrades and/or custom fitting may be required. It is the responsibility of the customer to ensure the part is compatible with their gun prior to purchase. We are not responsible for any damage caused during or after installation and are installed at customers discretion.