Hi-CAPA5.1/4.3 Hi-Capa Mount Base NEO Introducing an ultra-lightweight side-up mount base for shooters. It can be installed without processing by diverting the insertion port of the slide stop lever and the screw hole for the grip mounting bolt. The biggest feature is the side-up type mount with a specially designed slide stop, but the slide stop is a nice specification. The slide stop adopts a slim long type that can be operated with one hand. Also, the weight of the lightweight high capacity mount base NEO is only 40g! Suitable for carrying not only in shooting matches but also in survival games. The rail position can be adjusted forward, backward, left and right, and severe settings are also possible.