...slightly different...
Mouse ....the Acme threaded portion is different on the T&E's.... .30 cal being slightly smaller. The saddle on the .30's fit a 3/4" cross bar while the .50 cal. is fully 1" dia. Sent this gentleman a message to measure the thread dia. and I might have the parts to complete it for him. Mouse is right....parts are difficult if not impossible to find for either the .30 or .50 T&E's.....