This Mossberg manufactured bolt sub - assembly with long handle - is for the model 190 bolt action shotgun in 16 gauge and is in very good condition exhibiting a brownish gray patina with some original blue finish, surface rust and light wear. This part lacks the bolt head assembly with extractors. (file photo)

NOTE: Mossberg model 190 shotguns with the following year/serial number have been observed with this part: NSN