If you are looking for a secondhand gun and want to know if it will fit you, the dimensions we will quote to you are the ones shown in the diagram below. Adjustment for length is straightforward, we recommend horn for lengths up to 1/2″ and a leather covered rubber pad for lengths between 1/2″ and 3/4″. For lengths of 1″ or more, wood is the best option, though the least attractive. Adjustment for cast-on (for left handers) or cast-off (for right handers) is a routine procedure. Adjusting for drop is more difficult but minor changes in this dimension can be achieved.