HK Army / Planet Eclipse Fossil LV1.6 - Onyx w/ XV Barrel Kit (Dust Black) Airsoft Gun Cases & Backpacks Will fit CS1 & CS1

Will fit CS1 & CS1

These should work great in the First Strike Roscoe or the Umarex T4E TR50

and the standard railed KJW M9 already on the market

Crazy fast Rate-of-Fire

Customizes fit for improved comfort and functionality

HK Army / Planet Eclipse Fossil LV1.6 - Onyx w/ XV Barrel Kit (Dust Black) Airsoft Gun Cases & Backpacks Will fit CS1 & CS1HK Army Custom Designed and Machined Planet Eclipse LV1. 6 This HK Army Fossil LV1. 6 comes with a full XV Barrel Kit (Dust Black) instead of the Planet Eclipse Shaft FL Barrel. At the very heart of the EGO LV1. 6 is the industry leading Lever Valve system (hence the LV in the name). The system incorporates a profiled (cam shaped) lever between the rammer and the exhaust valve that is used to separate the action of the rammer and bolt from the action