This Ruger manufactured ejector housing screw is for the old model 3 screw Blackhawk single action revolver and is in very good condition with light wear. (file photo)
Note: Ruger old model Blackhawk revolvers with the following calibers and serial numbers have been observed with this part:
30 Carbine: 50-01796 & 50-06496.
357 Magnum: 90888