This is a Mann Niedner USMC A5 conversion. Notice there are no clamping screws (thumbscrews)
This is a real Winchester Marine Mount A5 sniper from the WWI era. This rifle has the WRA Springfield Marine bases installed. Notice how it has just the standard A5 scope with the clamping screws.
WRA steel Clamping screws used to mount the A5 to the Marine bases. These are not available on a Mann Niedner.
This is the WRA Marine Mount rifle in France in very late 1917. The Marine is most likely a member of the 5th Marine Regiment.
This is the Army with the Marine Mount A5 taken in the WWI era.
