Socket bayonet for use with the Puska M48 and the M53 sniper variant of the 7.62 mm. M1891/30 Mosin-Nagant rifle. Nagant M1891/30 bayonet. Serial number 11151 is stamped on the cruciform blade. The M1891/30 was Russia's standard service rifle during the Second World War and was used extensively post-War by Warsaw Pact countries.