This Ithaca manufactured hammer spring measuring at least 2 3/4 " is for the model M-66 12 gauge Supersingle lever action single barrel shotgun and is in very good condition with light wear. (file photo)
Note: Ithaca model M-66 Supersingle lever action single barrel shotguns with the following serial numbers have been observed with this part:
12 Gauge: 17010, 30958 & 53451
20 Gauge:
