Prometheus Non Linear Spring EMERALD - MS120 Length_2 Inch Comes with a standard rail-grabber

Comes with a standard rail-grabber clamp

Also included is the programmable SCU unit which easily plugs in-line with your battery to enable the burst setting from 2-10 rounds / full auto

Not suitable for skirmishing or long-term

144a gas for above

Tracer unit fits in other Airsoft suppressor shells that fall within specifications

Prometheus Non Linear Spring EMERALD - MS120 Length_2 Inch Comes with a standard rail-grabberPrometheus 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 MS120 spring for AEGs. Emerald Green in colour.