This Ithaca manufactured hammer pin is for the model M-66 Supersingle lever action single barrel shotgun in 12 gauge and is in very good condition with light wear. (file photo)
Measures: .186" x 1.381" +/-
Note: Ithaca model M-66 Supersingle lever action single barrel shotguns with the following serial numbers have been observed with this part: 17010, 30958 & 53451
