This Marlin manufactured breech bolt - front is designed for the late variation breech bolt assembly with style No. 7 striker knob (thick rim) for the model 25 bolt action rimfire rifle and is in very good condition with light wear. The late variation bolt assembly has an offset firing pin located in the 10 o'clock position.  This breech bolt - front measures approx. 2.266" long. (file photo)

Note: Marlin model 25 rimfire rifles with the following year/serial number have been observed with this part:

 1988: 12663697, 12679407 & 12697566