Prometheus Non Linear Spring for Recoil Shock Series - MS90 Weight_0.2g Or just because it's fun

Or just because it's fun

Large capacity 50 round extended magazine

Comfortable ear cushions for tight seal

Hand Warmer Specs:

Realism is of the utmost importance with this model

Prometheus Non Linear Spring for Recoil Shock Series - MS90 Weight_0.2g Or just because it's funPrometheus springs and parts are made by LayLax. LayLax is a manufacturer of some of the best airsoft upgrade parts in the world. Every Prometheus part is designed for high performance and durability, even in the most extreme operating conditions, with quality you can see and feel. This is the non linear MS90 spring for Tokyo Marui Recoil Shock series of AEGs. RATING: MS90 (90 m s rating) matched for Next Generation AEGs. Non linear, irregular pitched