Very nice gun. M.1871 Zimmerschutzen Rifle Cal. Mauser M.1871 converted for low power 4 mm cartridge for in-door shooting . Very short 4mm barrel insert was placed inside the original 11mm barrel. Made by OEWG in 1874.
Condition is very good with metal covered by uniform layer of brownish patina.
Solid stock with usual handling marks. Numerous German proofs on metal and stock. Bore is very good. Barrel was professionally shortened between the front and middle band of the original three band infantry rifle. Presently, rifle has two barrel bands.