Amputee Marksman
NES Member
Looking for a complete and functioning Mossberg S331 Rear Peep Sight. These would have been found on Mossberg target rifle 144LS made after 1960 and 144LSA made from 1960 - 1979. It is also possible you will find them on the 144LSB made from 79 until 85 but not many of these were made.
