Available now at Evike.com, the 6mmProShop CTS Crane Stock is an advanced ergonomic stock for M4/M16 airsoft rifles. It is Extremely durable and lightweight injection molded polymer construction with a Unique "Stock Roll" design allows the user to go from a ready position to a shooting position easily and without the stock getting snagged on equipment or webbing. This fits mostly Tokyo Marui-compatible airsoft rifles and its buttpad allows for easy installation of batteries.