Who made this rear sight peep with the code BR and what code or codes would be correct for the base ?
Who made this rear sight peep with the code BR and what code or codes would be correct for the base ?
It was made for Rock-Ola by Jasper Blackburn Co. St. Louis Mo. It would be correct for a base marked on the right side with BR. Used about the mid point of Rock-Ola production.