NATIONAL MATCH BULLET

A bullet manufactured specifically for ammunition issued to competitors at the National Matches.

NATO CARTRIDGE

A common designation for military cartridges produced under the specifications of the North Atlantic Treaty Organization.

NECK ANNEALING

A heating process used in cartridge case manufacture intended to relieve internal stresses in the neck area caused by cold working.

NECK CLEARANCE

The dimensional difference between the diameter of the neck of a loaded cartridge case and the chamber.

NECK OF CARTRIDGE

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

NECK RADIUS

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

NECK SIZING

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

NECK TENSION

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.

NECK THICKNESS

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

NECKING-DOWN

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