This Japanese manufactured 4.16" long extractor is for the Type 99 Arisaka bolt action rifle in 7.7 caliber and is in good condition exhibiting a brownish gray patina with specks of rust and light wear. A portion of a serial number may be seen at the rear section.  (file photo)

Note: Japanese Type 99 Arisaka bolt action rifles with the following arsenals and / or serial numbers have been observed with this part:

Toriimatsu: 40856