This Marlin manufactured first variation breech bolt with chrome body and with flat bolt handle is for the Glenfield model 10 bolt action rimfire rifle and is in good condition exhibiting a grayish brown patina with some specks of rust and wear. This style bolt may require the synthetic feed throat to install.

Note: Glenfield model 10 rimfire rifles with the following years of manufacture and serial numbers have been observed with this part: 1966 or 1967: NSN(*)