Does anybody have ideas for mounting a bipod to a 33mm air tube? I have both Atlas and Harris type bipods. I would like to mount it to the air-tube of my Walther MaximaThor because the stock is a little short and the sling stud is mounted in a very thin part of it. It is also too far forward to allow enough contact surface for secure attachment. I bought a Picatinny clamp of fleabay that was supposed to fit up to 35mm barrels but it maxes out at about 28mm.