Translation guide
A carbine is a shorter, lighter rifle. In Japanese, it is usually referred to with the loanword カービン or described as a short rifle.
Referring to a short, lightweight rifle, typically used by cavalry or special forces.
The standard loanword for 'carbine'. Used in military, hunting, and airsoft contexts.
彼はM4カービンを使っている。
He uses an M4 carbine.
このカービンは軽くて扱いやすい。
This carbine is light and easy to handle.
Literally 'cavalry gun'. Historical term for a carbine used by mounted troops.
この騎兵銃は19世紀のものだ。
This cavalry carbine is from the 19th century.
Means 'short rifle'. Sometimes used in technical descriptions, but less common than カービン.
この短小銃は特殊部隊向けに設計された。
This short rifle was designed for special forces.
In Japanese, カービン specifically refers to a carbine, while ライフル (rifle) is a broader term. If you want to emphasize the compact size, use カービン. For general rifles, use ライフル or 小銃 (しょうじゅう).
このライフルは長すぎる。カービンの方がいい。
This rifle is too long. A carbine would be better.