A brass tacks video comparing the two Contour camera picatinny mounts on the market right now.

The Strikemark Contour picatinny mount is available at the following retailers:
SKD Tactical: http://www.skdtac.com/Strikemark-Contour-Picatinny-Rail-Mount-p/stk.050.htm
GSS Gear: http://www.gssgearonline.com/weapons_accessories/strikemark_contour_picatinny…
Strikemark: http://strikemark.com/products/contour-picatinny-rail-mount-strikemark/