VFC M4/416 "Ion" Winter Recoil Spring Redwolf thanks to the use of

thanks to the use of high-quality internal components

which will allow for much faster cycling

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V2 Gearbox System

VFC M4/416 "Ion" Winter Recoil Spring Redwolf thanks to the use ofThe One Spring You Need For Efficiency All Year Round Boost your rifles performance year round with the Waldo Dynamics Winter Recoil Spring, precision engineered for the VFC 416 and M4 GBB platforms. Designed at 85% strength, this recoil spring delivers the perfect balance between efficiency and snappiness (making it ideal for cold weather use without compromising reliable cycling in warmer conditions). The reduced tension improves gas efficiency,