This Mossberg manufactured choke adjustment sleeve is for the model 385KB bolt action shotgun and is in good condition exhibiting a mixture of thinning original blue finish with a brown patina and having a few specks of surface rust. (file photo)
NOTE: Mossberg model 385KB shotguns with the following year/serial number have been observed with this part: 09012B, 356551, 556662, 801910 & 1210253
