Rear sling mount attaches a sling to enhance maneuverability

driving the gearbox is a high torque neodymium magnet motor

FPS Range: 400-405

Equipped with a new CNC Delrin Locking C-Clip design to hold barrel tight without wobbling and twisting

Short stroke recoil spring improves cyclic rate

LayLax Nineball Magazine Valve Wrench NEO R Beanie Rear sling mount attaches aNineball Valve WrenchMust have for valve replacement and maintenanceCompatible with Tokyo Marui GBBs and GBBRsThis valve wrench can be used for not only Tokyo Marui GBB's and GBBR's but also a variety of gas blowback guns. If you need a little extra grip and torque, place a screwdriver of 4mm diameter or less into the hole built into the central shaft and you instantly have an extra point of contact to assist.