The process of manually assembling a cartridge from component parts (casing, primer, propellant and bullet or wads and shot).
A bullet with a cavity in the nose to facilitate expansion.
The end of the cartridge case in which the primer or priming is inserted and the surface upon which the headstamp identification is imprinted.
The distance between the head of a fully seated cartridge or shell and the face of the breech bolt when the action is in the closed position. Commonly confused with headspace.
The distance from the face of the closed breech of a firearm to the surface in the chamber on which the cartridge case seats. 1. BELT: A type of chamber design in which the cartridge seats in the chamber on an enlarged band ahead of the extractor groove of the cartridge body. 2. MOUTH: A type of chamber design in which the cartridge seats in the chamber on the mouth of the cartridge case. 3. RIMLESS: A type of chamber design in which the cartridge seats in the chamber on the shoulder of the cartridge case. 4. RIMMED: A type of chamber design in which the cartridge seats in the chamber on the rim or flange of the cartridge case.
A device used in a firearm to determine the distance between the breech face and the chamber surface on which the cartridge seats. Also called Breeching Plug.
Numerals, letters and symbols (or combinations) stamped into the head of a cartridge case or shotshell to identify the manufacturer, caliber or Gauge, and other additional information.
1. The part of a rifle or shotgun stock at the top of the butt end. 2. The rear portion of a bullet.
A recess in the base of a bullet.
A bullet design where the portion of the bullet exterior to the shellcase has the same diameter as the case, and steps down to a narrower “heel” portion that fits inside the case.