RAM® Drill-Down Mount for Garmin Oregon Series + More - Aluminum RAM-B-138-GA75L The rail mount adapter for

The rail mount adapter for the RAM-114BMU base

standard double socket arm with locking knob

Combining the patented RAM rubber ball and socket system with a ratcheting feature

The RAM-109V-B is a drill-down base for vertical surfaces that is compatible with our 109 series swing arms

perfect viewing angles

RAM® Drill-Down Mount for Garmin Oregon Series + More - Aluminum RAM-B-138-GA75L The rail mount adapter forThe RAM B 138 GA31 consists of a 2. 5" diameter round base with the universal AMPS hole pattern, double socket arm, diamond adapter base and high strength composite cradle. The mount is designed with a RAM 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and perfect viewing angles.