Breechface

The breechface is the front part of the breechblock that makes contact with the cartridge in a firearm. The breech block (or breechblock) in a gun is what holds a round in the chamber, and absorbs the recoil of the cartridge when the round is fired, preventing the cartridge case from moving.[1]

Footnotes

  1. ↑ http://www.thehighroad.org/archive/index.php/t-614259.html
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