Scope is 8.75 " long, 7/8" dia, eye end slightly larger 1". Two rings attached to scope, one a post about 1" long with groove around and a half moon cut on one side. Front is a square 3/8" long with a lip at front. Redicue is a small circle, dot in center, with short lines out at bottom and sides.
Marked; TELESCOPE, M6 NO. 6640 M.H.R.CO. 1941---D.A. Around scope from that, is number stamp C56929 (serial #?) Has no adjustments.
What is it? Must be military!