A.R.M.S.® #19™LD ACOG® Low Dual Throw Lever® Mount. New A.R.M.S.® Low Dual Throw Lever® mount for Trijicon® ACOG®. Also Available in BROWN. This new quick detach mount raises the ACOG by only approx. 3/16″ off the top of your rail. The mount is approx. 3 3/4″ long to use up as little rail space as possible.