The Huma-Air tuning regulator will regulate the airpressure in your S200 airgun. It reduces the primary high fill pressure in the cylinder into a lower pre-set working pressure. This will give you a constant pelletspeed and a higher accuracy. The design volume is based on the 16 Joule version but it can been set higher if preffered.
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The installation of the regulator is very simple. The regulator is placed inside the pressure tube of the rifle and you are ready.
It is vented to the atmosphere, without the need of a breath hole in the cylinder, so no creeping up in power during time.
The benefits of the Huma-Air regulator for your Air Arms S200: