blowback
- noun
- /ˈbloʊˌbæk/
- Specialized
- One wonders, though, since this is just a .22, why did he put a gas tube on it? A .22 runs off of blowback, kind of puzzling.
Examples
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Many modern rifles are gas-operated, meaning that they divert some of the hot expanding gases from the barrel to actually recock the gun (as opposed to being recoil or blowback operated).
Blog text (13) -
I often wonder if their plan ever included provisions to handle US military blowback?
Blog text (2) -
Frank shielded his face from the blowback and put his finger on the trigger.
Fiction book (2001) -
So these are called gas blowback pistols, and you fill them by putting a compressed gas into the magazine.
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When the gun was fired, the blowback caused hot gases to escape backward toward the shooter.
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The blowback from the discharge surprised him, catching him off guard.
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In gas-operated firearms, blowback helps in cycling the action to prepare for the next shot.
Synonyms
A strong flow of hot gas pushed back from a fired weapon that can injure people behind it
Hot gas and debris that fly backward when a rocket launcher fires
Compounds
- Specialized
A gun system where the bolt is not fully locked and opens later after firing
- Specialized
A gun system where the bolt must overcome resistance before moving but is not fully locked
Surface Forms
Morphology
Etymology
The word blowback comes from the parts blow ('a strong push of air or gas') and back ('to the rear'). In firearms it names the gas that pushes backward and can move parts or escape, so it describes the backward movement of gases in a gun.