As exported from Finland, 1898 Izhevsk receiver Civil Guard M24 long rifle.
Prussian marked stock and receiver top scrubbed, so receiver was Great War captured on eastern front then Central powers reissued.
Mid 1920's Lotta Svard funded Böhler-Stahl 7.62x53r stepped barrel installed after Civil War, along with period woodscrews retaining barrel bands.
Marked as issued to two Civil Guard districts, Pohjois-Savonlinna (S 83387) & Sisä-Suomi (S 81690). Used by civil guard in Winter War & army service during Continuation War.
Shortened M91 locking ring bayonet fits well as rifle is a standin among my Austro Hungarian gear