firing pin

firing pin — noun

1. The thin metal rod inside a gun that strikes the back of a bullet with force, ca

1.名詞B2
釋義

The thin metal rod inside a gun that strikes the back of a bullet with force, causing the gunpowder inside to explode and fire the bullet.

例句

Chen carefully inspected the firing pin before taking the rifle to the shooting range.

inspect + the firing pin

A damaged firing pin can make a gun fail to fire even when the trigger is pulled.

damaged firing pin causes failure

同義詞
  • striker

    A more modern term for the same part, common in military and technical contexts.

文法句型

the firing pin

a firing pin

用法筆記

Frequently used with verbs like 'inspect', 'replace', 'check', and 'clean'. The firing pin is part of the bolt or breech mechanism and is found in most modern firearms, including rifles, pistols, and shotguns.

常見錯誤

❌He loaded the firing pin into the magazine.
✅He loaded the bullets into the magazine and checked the firing pin.
💡The firing pin is the striking part inside the gun body, not a removable item loaded into a magazine.