Missouri knife laws easy come understand however they are not knife friendly. Most knives are allowed to own, however switchblades room illegal come buy, own or sell.

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However, the legal because that one-armed people to own switchblades with chisels length the 3” or shorter. The legal to carry a legal knife except in some locations such together schools.

Conceal carry is limited except moving of constant folding pocket knives the 4” blade size or much shorter concealed.​


Most the cities and also towns in Missouri have actually their concealed bring laws which differ from the state laws. Some of these cities and also towns limit the blade length to less than 3.5” when others border to 2.5”.​


It’s legal come own and carry different species of velvet in Missouri. The legal velvet include; cram stars, cram knives, cram axes, buck knives, pocket knives, dirks, bowie knives, stilettos, daggers, boot knives, swords, disguised knives, sword canes and also anything else apart from switchblade.

If every the residents cannot with a knife in a vehicle, climate it’s not carried and therefore legal and also to fulfill this requirement, the blade demands to it is in stored in a locked container.

Switchblades are legal if a spring or detent is available which create a prejudice towards closure.


It’s legitimate to lug legal knives in public. If a knife is not clearly recognizable and visible by an pull close person, climate it’s said to be illegal concealed.

Switchblades room illegal, however, not wholly. Missouri applies the United claims Code as soon as it concerns a switchblade. The law allows those v one arm to own switchblades as lengthy as the size of that blade no exceed 3” in length. In this case, the switchblade act together a utility knife as soon as you nothing have an additional hand.

There are few limits imposed on the length of a knife blade at Missouri State. Open carry and also knife property don't have actually a size limit. Conceal bring laws restricts the knife tongue to 4” when a one-armed individual may own a switchblade who blade no exceed 3” long.

Conceal Carry

Section § 571.030 the Missouri password forbids concealed lug of a knife. A knife is defined in section § 571.010 as any weapon or bladed tool apart native the constant folding pocket knife which has actually a blade size not exceeding 4”.

According come United says law, an ordinary pocket knife is a knife through its entire blade folding right into its handle, manually opened and also has a solitary edge.

Other Knife regulations in Missouri

Lack that preemption ascendancy in Missouri State renders carrying of knives from one municipality to one more tricky. Many ordinances apply the state regulation while others place various blade size limits.


The Missouri knife regulations are reasonably relaxed when it involves ownership the knives. One have the right to own any kind of knife other than a switchblade. However, you have the right to still very own a switchblade if it’s much less than 3” long and also if you have one arm. The knife legislations also allow for open bring of legit knives.

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