Huma-Air Factory Regulator the following air rifles:
– Daystate Revere
– Daystate Huntsman Regal HR (must be the HR version with the pressure gauge on end of cylinder);
Available in Standard / Low power version or high power version.

There are two models available:

• Standard / Low (LP) – in general for lower power rifles / UK spec
• High (HP)  – in general for high power / FAC / Export rifles