This is a copy of the original picture of Sgt Leslie LaValley, taken at the OSD rifle range in 1918, as it sits in LaValley's photo album. Please note the absence of a grasshopper, which means it has taper bases and Marine Mounts. I have held this scope in my hands, and I can assure all that scope was housed in Marine Mounts with taper base receptacles. The scope is currently owned by a friend of mine, and the rifle is, or was, owned by a member of this forum. The dim light adapter, or optical ray filter, is the one on my Sporter, which I used when deer hunting (I quit hunting due to physical issues).

The absence of a grasshopper is the quickest way to differentiate between the two base systems.

Leslie D. LaValley w_Win A5 USMC Sniper Rifle at OSD - No Grasshopper.jpg

No Grasshopper.jpg