The SRS Outdoorsmans Mini rail (ODM rail) is the only available direct mount option for shooting off an ODM tripod. These are 1.7” OAL and allow for a 1”-1.2” bolt spacing. Weight is .4 oz.
THESE ONLY WORK WITH OUTDOORSMANS BRAND TRIPOD HEADS WITH THE NARROW PLATE. THIS IS NOT ARCA SWISS COMPATIBLE.