Rib—Piece of iron which strengthens the barrel, and on which the ramrod rests.
Scroll-guard—An extension from the guard to steady the hand.
Scear—That which catches the tumbler for half or whole cock, and which, being pushed up by the trigger, lets the cock fall.
Scear-spring—The spring which holds the scear in the notches of the tumbler, at half or whole cock.
Side-nail—A screw which fastens on the locks.
Sight—The piece of metal, attached to the end of a gun-barrel, to assist the eye in taking aim at an object.
Spring-cramp—A small instrument for dissecting locks.
Tail—The shoulder of a hammer.
Top-piece—Elevated rib, along which is directed the line of aim.
Trigger-plate—Plate in which the triggers work.