40621 – 22 Short (24-inch No. 1 round barrel)

41621 – 40-70 Ballard

42621 – 22 Short (24-inch No. 1 octagon barrel)

43261 – 22 Short (24-inch No. 1 octagon barrel)

44261 – 22 Short (30-inch No. 2 octagon barrel)

45261 – 32 Short

46261 – 32 WCF

47261 – 22 Short (26-inch No. 1 octagon barrel)

48261 – 32 Short

49261 – 22 Long

The closest match to your rifle is 44261.

Bert