The Warne Rapid Acquisition Multi-Sight Platform is a cantilever style scope mounting platform that allows proper scope installation on the AR-15 rifle. The Warne R.A.M.P modular mounting system positions the front ring forward of the upper receiver by 1". This allows the optics to be mounted farther forward enabling the shooter to have proper head orientation whether upright or prone without sacrificing or compromising due to improper positioning. MSR ideal height.