The%20shotgun%20brush%20adapter%20is%20used%20to%20adapt%20to%20shotgun%20brush%20threads%20that%20do%20not%20have%208-32%20threads.%20One%20end%20has%20the%20standard%208-32%20threads%2C%20which%20will%20screw%20into%20the%20Otis%20Memory-Flex%C2%AE%20cleaning%20rods%2C%20and%20the%20other%20end%20has%205%2F16-27%20threads%20for%20shotgun%20brushes%20you%20may%20currently%20own.