What Is the Definition of Breechblock?

Answer

Breechblock is a block that closes the rear of a rifle during firearm action. It controls the force of charge and also prevents gases from escaping. Breechblock is a movable piece of metal, which is closed by means of a powerful spring.
1 Additional Answer
Ask.com Answer for: what is the definition of breechblock
breech·block
[breech-blok]
NOUN [ORDNANCE]
1.
a movable piece of metal for closing the breech in certain firearms.
Source: Dictionary.com
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