Some handling wear on stock, consistent with military service.

Built-in KERN 1.8x optic has a worn finish at the periscope end of the scope, but the receiver finish is dark and consistent.

The K31 was made by Eidgenossische Waffenfabrik Bern, a Swiss federal armory, and is one of the last carbines employed by the Swiss military that is based on the designs by Schmidt and Rubin.

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It is an automatic rifle manufactured for the Swiss army by SIG and Waffenfabrik Bern between 1958 and 1985.

The SIG SG 510 or Sturmgewehr 57 is a selective fire battle rifle designed by.

This modified WF Bern Swiss 1889-KK rifle is chambered in 22LR and features a suppresor - sn 63XXX.

All matching serial numbers (bolt, magazine, handguard, scope).

Swiss Army Rifle K31 Serial Numbers