FX King bipod clamp size.

[Triggermortis]

I bought a bipod mount bottle clamp for my FX King .22 FAC being told all FX bottles are 60mm in dia, trouble is mine is 64mm so is too big,are all FX Bottles 60mm as I can’t find a 64mm clamp.
Triggermortis

 

[bigboodydaddy]

I had the same problem with my fx king so I purchased a new arca rail with picitinny end

 

[RPA 6MM BR]

My King has a 60mm Sabre Tactical clamp and my Vulcan 3 uses the same size