Chamber (firearms)

A cartridge being pushed into the chamber of a Springfield M1903

The chamber of a firearm is the cavity at the back end of a breechloading weapon's barrel or cylinder, where the ammunition is inserted before being fired. The rear opening of the chamber is the breech, and is sealed by the breechblock or the bolt.^[1]^[2]

^ Brown, Edmund G. (2009). Handgun Safety Certificate. West Sacramento, California: California Department of Justice. p. 52.
^ Walker, Robert E. (2013-03-21). Cartridges and Firearm Identification. CRC Press. ISBN 978-1-4665-8881-3.

[1] Brown, Edmund G. (2009). Handgun Safety Certificate. West Sacramento, California: California Department of Justice. p. 52.

[:0-2] Walker, Robert E. (2013-03-21). Cartridges and Firearm Identification. CRC Press. ISBN 978-1-4665-8881-3.

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