Description
BO Manufacture HPA Magazine Valves for Gas Magazines (KSC/KWA – US)
These BO Manufacture HPA valves are listed for KSC and KWA gas magazines, with a US-pattern connection as named. Valves of this kind replace the magazine’s standard gas fill valve, so that the magazine can be connected to a regulated HPA (high-pressure air) line rather than filled with gas.
BO Manufacture makes HPA equipment, including air bottles and fittings. Running gas blowback replicas on HPA is popular because it removes the effect of cold weather on gas pressure and gives very consistent shots once the regulator is set.
How HPA conversion works
With the valve fitted, an air line from a regulated HPA bottle plugs into the base of the magazine. The magazine is then supplied with air at the pressure set on the regulator instead of holding its own gas charge. You can tune the regulator to the replica’s needs, and the performance stays consistent from the first shot to the last.
Each magazine you want to run on HPA needs its own valve, and you will also need a suitable regulator, line and air bottle. Set the regulator low to begin with and increase it gradually, chronographing as you go.
Fitting
Remove all gas from the magazine before taking the original fill valve out, using the correct valve key. Check the O-ring seats properly, screw the HPA valve in firmly without overtightening, and check for leaks with a low pressure before using it. If you are not confident doing this, ask an experienced technician.
Key features
- HPA valves for gas magazines
- Listed for KSC and KWA magazines
- US-pattern connection (as named)
- Replaces the standard gas fill valve
- Consistent performance in all weathers
- From HPA equipment maker BO Manufacture
Compatibility
Listed for KSC and KWA gas magazines. Valve threads differ between magazine makers, so check that your magazines are KSC or KWA pattern before ordering. The US-pattern connection must match the fitting on your HPA line, so check your line’s connector too.
Spare parts are often specific to one manufacturer, and sometimes to one production version, so please compare this part with the one you are replacing, or contact us with your replica’s make and model, before ordering.
Care and maintenance
Keep dust caps or plugs on HPA fittings when not in use, check the O-rings regularly and lubricate them with a little silicone oil. Always release the line pressure before disconnecting, and store magazines and fittings clean and dry.
Who is it for?
It is for players running KSC or KWA gas blowback replicas who want to switch their magazines to HPA for consistent performance all year round.
Please note: A regulator, air line, bottle and tools are not included. Always chronograph the replica after converting it to HPA.
