Ford:

The Nitro stamp looks to be coupled with the >>4000 atm Beschusspatrone<<. Those >>Caveman w/ a Staff<<(3 I see on the bottom of the barrel near the ring) are Sauer process marks. Then the odd Imperial Eagle, Sauer used a similar one, on the right side of the tube near the scope mount @ the rear of the barrel near the ring could be the Prussian Spandau arsenal in 1915 where these stop-gap rifles were topped with glass and pressed into Sniper service.

Serbus,

Raimey
rse