Guarder Hi Capa 4.3/5,1 Magazine HI-FLOW HIGH PERFORMANCE Exhaust Valve
This guarder manufactured magazine fill valve is a high flow valve. This exhaust valve will suit all 4.3/5.1 Hi Capa magazines whether green gas or Co2. These exhaust valves will increase FPS and is a high performance exhaust valve. Also increases the magazine pressure released so you have more blowback and FPS. If you have a plastic slide, please consider not installing this if your slide will break.
Material: Metal and Rubber
Fit: Hi Capa 4.3 and 5.1 Green Gas & Co2 Magazines