BSquare makes the 17011 elevation adj base. You get tons of adjustment and don't even have to pull the scope or mount to adjust. They also make the 17021 11mm to weaver base that's adjustable as well. These product numbers are old and may have changed, but worth checking out. RB
"The Universe is comprised mainly of two things.. hydrogen and ignorance."
Inventor, astronomer and metaphysical thinker.