Magazines

A firearm magazine is a device that stores and feeds ammunition into the chamber of a repeating firearm. Its primary function is to hold multiple cartridges and position them so they can be loaded into the firearm’s chamber in sequence, either automatically or manually, as the firearm is operated.

Magazines typically contain four main components:
1. Body – the outer housing that holds the ammunition
2. Spring – provides upward pressure to push cartridges toward the feed lips
3. Follower – sits on top of the spring and pushes the cartridges upward
4. Feed lips – the shaped top edges that guide each cartridge into the chamber

Magazines can be either:
Detachable – removable from the firearm for reloading or replacement
Fixed (internal) – built into the firearm and loaded from the top or with stripper clips
They are used in many types of repeating firearms, including semi-automatic pistols and rifles. Magazine capacity varies depending on the firearm design and applicable laws.