Letter: D

See “What does “dram equivalent” mean on shotgun ammunition (saami.org/faqs/#dram-equivalent-ammunition)

1. Ammunition – a longitudinal scratch on a cartridge case caused by foreign material on either the draw punch or die during fabrication. 2. Arms: See Witness Mark.

A three-barreled long gun in which a combination of smoothbore and rifled barrels is used.

A passive safety mechanism that prevents unintentional firing when the firearm is dropped.

Lead shot containing less than 0.5% alloying metal. Also called Soft Shot.

The eye that controls both eyes when pointing toward or picking out an object.

A usually round extension at the top of the barrel or rib of a shotgun which fits into a matching hole in the top of the standing breech.

Most foreign and some American commercial cartridges are identified by their nominal bullet diameter and cartridge case length, both of which are given in millimeters-e.g., 8×57, 7×57, 6.5x54mm.

A tool used to remove primers from cartridge cases or shells.

A cartridge loaded to specific pressures higher than service loads. Used only for testing assembled firearms or elements of firearms which contain the primary firing pressure.