noun
air rifle
A rifle that uses compressed air or gas to propel a projectile, used in target shooting and small-game hunting.
彼はエアライフルで的を狙った。
He aimed at the target with an air rifle.
Variant with interpunct; less common but still seen.
空気銃 is a less common, more literal Japanese term for 'air gun', while エアライフル is the standard loanword specifically for an air rifle.
Loanword from English 'air rifle'.