Huma-Air quickfill with pressure gauge set for the Air Arms S400/S500 series airrifles.
Also fits the Superlite, Ultimate Sporter and the Air Arms HFT model.
A popular addition for the Air Arms S400, S410, S500, S510 and many more models that allows you to check the the pressure in the main pressure reservoir when you have a regulator fitted. They are easy to fit yourself, you simply remove your old quickfill or gauge, then screw the new quickfill with pressure gauge into your air cylinder. It replaces the quick fill on your rifle so that you have quick fill and a pressure gauge combined.
This is an universal pressure gauge what can be used on several airguns.
Never exceed the factory advised fill pressure of your rifle.
No fitting instructions are sent out with the quickfill.