Letter: N

An unlubricated, overpowder wad made of cardboard or felt. It is used with smokeless powder. Also called Nitro Card Wad.

Tool made for the removal and installation of nipples on percussion firearms.

Ammunition produced for the American National Matches (at Camp Perry, Ohio) by appropriate government or commercial manufacturing facilities. Cartridges are usually, but not always, head-stamped “NM” for identification purposes.

A hollow, cone-shaped part of a percussion firearm upon which a percussion cap or musket cap is placed. The hole in the nipple directs the flame or flash of the cap to the powder charge. Also called a Cone.

The use of case forming dies to reduce both the outside and inside diameter of a cartridge case neck.

Average thickness of the wall of a cartridge case surrounding the bullet.

The circumferential stress that the case neck exerts on the seated bullet, as a result of the interference fit provided by the case neck inside diameter and the bullet outside diameter.

The operation performed by reloaders to reduce or restore the original neck diameter of a fired cartridge.

The curved surface between the neck and the shoulder of a cartridge case.

The reduced diameter cylindrical portion of a cartridge case, extending from the bottom of the shoulder to the case mouth.