Missouri Knife Laws (2025)

Missouri removed state prohibitions on automatic/switchblade knives in 2012; under state law both possession and carry are generally permitted, though federal restrictions and location-based bans still apply.

Missouri has no blanket ban on specific types of knives under state law, but statutes restrict carrying weapons (including knives) in certain locations (e.g. schools, courthouses, government buildings) under specified conditions or exemptions.

Yes. Concealed carry of most knives is permitted unless local restrictions apply.

No state-level blade-length restriction exists in Missouri.

Missouri does not have a statewide prohibition on selling knives to minors, but local ordinances or school policies may impose restrictions.