Receiver Picatinny Rail Adapter for SplatRBall SRB400, SRB1200, SRB1300 SRB375 MINI, SRB800, SRB370, and SRB400-SUB Gel Blaster - TeleScopix Shoulder Stocks System Mod - Blasters3DThis Blasters3D Picatinny rail adapter for Splat R Ball gel blasters is part of highly adaptable TeleScopix Shoulder Stock System. The TeleScopix Shoulder Stock System allows you to customize gel blasters for the perfect height, length, and aesthetics. Build a gun for maximum ergonomics, performance, and mobility. This adapter is compatible with the following blasters: SplatRBall SRB1200 Gel Blaster SplatRBall SRB1200 Pyro Gel Blaster SplatRBall