Breechblock meaning

The breechblock is a component of a firearm that closes the rear end of the barrel to contain the explosion during firing.


Breechblock definitions

Word backwards kcolbhceerb
Part of speech Noun
Syllabic division breech-block
Plural The plural of the word breechblock is breechblocks.
Total letters 11
Vogais (2) e,o
Consonants (6) b,r,c,h,l,k

Breechblock is a crucial component found in firearms that plays a significant role in the firing mechanism. It is the part of the firearm that closes the rear opening of the barrel and contains the firing pin, extractor, and other components that help in igniting the ammunition and extracting the spent cartridge.

The breechblock is responsible for sealing the breech end of the barrel when the weapon is fired, ensuring that the expanding gases generated by the ignited gunpowder do not escape backward. This containment of pressure is essential for propelling the bullet forward with the required velocity and accuracy.

Function of Breechblock

The primary function of the breechblock is to provide a secure closure at the rear of the barrel, preventing gas leaks and directing the force generated by the ignited cartridge towards propelling the bullet out of the muzzle. It also houses the firing pin, which strikes the primer of the cartridge, initiating the ignition process.

Types of Breechblocks

There are various types of breechblocks used in firearms, including falling blocks, tilting blocks, rotating bolts, and sliding blocks. Each type has its unique mechanism of operation, but they all serve the common purpose of securely closing the breech end of the barrel during firing.

In conclusion, the breechblock is a critical component in firearms that ensures the safe and efficient operation of the weapon. Its role in sealing the breech end of the barrel and containing the explosive forces generated during firing cannot be understated, making it an indispensable part of any firearm design.


Breechblock Examples

  1. The breechblock on the cannon needed repairing before it could be fired.
  2. The soldier struggled to lock the breechblock into place during training.
  3. He carefully cleaned the breechblock of his rifle after a day of shooting at the range.
  4. The malfunctioning breechblock caused the gun to misfire repeatedly.
  5. The gunsmith examined the breechblock for any signs of damage or wear.
  6. The historical reenactor demonstrated how to operate the breechblock on the antique rifle.
  7. The new military recruits were taught how to properly handle the breechblock on their weapons.
  8. The design of the breechblock allowed for quick and easy reloading of the gun.
  9. The old musket was missing its breechblock, rendering it inoperable.
  10. She carefully studied the mechanism of the breechblock before attempting to use the firearm.


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  • Updated 17/06/2024 - 01:26:47