Turn up the power on your VSR-10
The Action Army M150 spring is a proven upgrade for the Tokyo Marui VSR-10 and the huge family of VSR-10 based clones. Swap out the stock spring for this M150 and you unlock a strong jump in muzzle velocity, extending your effective range and giving your shots more authority downrange.
Consistency you can rely on
Made from quality steel and precision-wound in Taiwan, the spring delivers even, repeatable pressure shot after shot. For a marksman rifle, that consistency is everything: it is what keeps your BBs grouping tightly at distance rather than scattering.
Where the M150 sits
As a rough guide the M150 lands around 480 to 600 FPS, though your real figure depends on air seal, inner barrel length, piston and the BB weight you run. This is a high-power spring, so always chrono your rifle after fitting and confirm it meets your site’s limit and minimum engagement distance.
Get the most from it
A stronger spring loads the internals harder, so pair it with a good piston, cylinder head and spring guide for long-term reliability. Our in-house techs can fit and tune it for you: see our airsoft repair and upgrade service in Kent, or browse more upgrade parts.












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