FPS Softair AEG Upgrade Spring

Upgrade your stock AEG spring with a Softair's range of high-quality carbon steel springs for superior performance that may give you an edge in gameplay and improve your replica's reliability. Constructed from burnished and pre-hardened carbon steel wire, the spring also has the addition of silicon and chromium for improved tensile strength and to reduce friction to reduce energy loss. It is recommended to use the spring in association with spring guides and bearing piston heads to ensure maximum performance and durability. The spring also features closed and flattened top and bottom ends to improve stability, with the spring also reducing stress on your replicas pistons due to the non-linear design. Available in various strengths providing roughly 300, 345, 360 and 395 FPS respectively.