HAMMER NOSE

That part of the hammer which serves as the firing-pin.

HAMMER NOTCH

One or more grooves in the outer surface of a hammer which interface with the hammer or sear.

HAMMER SPUR

The knob or extension on an exposed hammer which acts as a cocking or decocking aid.

HAMMER STRUT

A component part of some firing mechanisms which is connected between the hammer and the trigger and which acts to move the hammer to the firing position when the trigger is pulled. Also refers to a strut which guides a mainspring to power a hammer.

HAMMERED RIFLING

The formation of the spiral grooves in the bore of a rifle barrel by means of an internal mandrel and external hammers. Sometimes called “Hammer Forged Rifling”.

HAMMERLESS

Any firearm having a concealed hammer or striker.

HAND

The lever that rotates a revolver cylinder. Sometimes called a Pawl or Dog.

HAND CHECKERING

A process of wood carving gun stocks by hand rather than machine.

HAND STOP

An attachment beneath the fore-end or forearm of a target rifle to restrict the forward movement of the hand. Often also used to attached a target sling.