This picatinny bottle clamp is designed to fit the FX Panthera air bottles.
The mount slides onto the bottle and is tightened using a single bolt, the rubber pads allow for a very tight solid fit on your bottle it will not move once tightened.
It has a single 35mm picatinny rail allowing you to attach a bipod/torch Etc.
This mount will work with bottles from 55-63mm diameter carbon or steel.