The BreaKO Stock weight is 27/32" diameter or .844", made to fit in a 7/8" stock bolt hole and come in 6,8, and 10 ounce sizes.
The BreaKO stock weight will fit in a 7/8" stock bolt hole as well as mount to the threaded cylinder of the 575 standard and automatic with a 1/4-20 bolt.
It is highly recommended to secure the stock weight in a draw bolt hole by some form or fashion. Two common ways are wrapping it in electrical tape or dropping a cork in before and after the weight to protect the head of the draw bolt.
