This Japanese manufactured rear (shorter) bayonet stud band screw, aka cleaning rod retainer screw, is for the Type 99 Arisaka bolt action rifle in 7.7 caliber and is in very good condition exhibiting a brown patina with light slot wear. (file photo)
Note: Japanese Type 99 Arisaka bolt action rifles with the following arsenals and / or serial numbers have been observed with this part: 16866 & 21908
