Danish abbreviated and enclosed gun M/1751/1808 for the Navy. The lock without monogram and with an indistinct faggot stamp. Approx. 25 cm. long pipe back to octagonal front round with flat back in caliber approx. 17.5 mm. marked 5: DR: 131 on left side. Charging stick in iron held by the single pipe. One pipe pin has been made of brass. (1) The iron stained. The lock spring is slack and the lock cannot stand in first row.