Groo here
For those who think a M-10 CAN'T take a 357 due to how long it is,,,, the 38spec and 357 spec is almost the same!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The cylinder is the same size in a M-10 /M-13/M-64/M-65 AND M-28 357 Highway Patrolman!!!!!!!!!!!!!!!!!!!!!!!!!!