Do you have a Dzeferdar rifle?

[estcrh]

From the Met Museum, I am assuming that this is a dzeferdar with possibly an Indian barrel.

Balkan miquelet gun, 18th century, wood, steel, brass, niello, silver, mother-of-pearl, coral, turquoise, sapphire, ruby, L. 62 3/4 in. (159.4 cm), Bequest of George C. Stone, 1935, Met Museum.