This Thompson Center manufactured blue finished stock lug screw is for the Omega in-line muzzle loading rifle and is in very good condition with light slot wear. This screw is used to attach the stock to the barreled receiver and two are needed.  (file photo)

Note: Thompson Center Omega muzzle loaders with the following serial numbers have been observed with this part:

Omega: 15819, 19637, S35094 & VBZ4642

Omega X7:

Omega Z5: Z56443