Missouri knife legislations easy come understand but they are not knife friendly. Most knives are permitted to own, yet switchblades room illegal come buy, very own or sell.

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However, it’s legal for one-armed individuals to very own switchblades with blades length of 3” or shorter. It’s legal to carry a legal knife except in some places such together schools.

Conceal lug is restricted except transporting of consistent folding pocket knives of 4” blade size or much shorter concealed.​


Most that cities and also towns in Missouri have actually their concealed lug laws which vary from the state laws. Several of these cities and towns border the blade length to less than 3.5” while others border to 2.5”.​


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

If all the inhabitants cannot reach a knife in a vehicle, climate it’s not carried and also therefore legal and also to meet this requirement, the blade demands to it is in stored in a locked container.

Switchblades space legal if a feather or detent is accessible which creates a predisposition towards closure.


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

Switchblades space illegal, however, not wholly. Missouri applies the United states Code when it concerns a switchblade. The law enables those v one arm to very own switchblades as lengthy as the size of the blade no exceed 3” in length. In this case, the switchblade act together a utility knife once you nothing have one more hand.

There are couple of limits applied on the size of a knife blade in ~ Missouri State. Open up carry and knife ownership don't have actually a length limit. Conceal lug laws restricts the knife blade to 4” when a one-armed individual might own a switchblade who blade doesn’t exceed 3” long.

Conceal Carry

Section § 571.030 the Missouri code forbids concealed carry of a knife. A knife is identified in section § 571.010 as any weapon or bladed device apart indigenous the consistent folding pocket knife which has a blade size not exceeding 4”.

According to United claims law, an plain pocket knife is a knife through its entire blade folding into its handle, manually opened and has a single edge.

Other Knife laws in Missouri

Lack that preemption dominion in Missouri State makes carrying of knives from one municipality to an additional tricky. Most ordinances apply the state law while others place different blade size limits.


The Missouri knife legislations are fairly relaxed when it concerns ownership the knives. One can own any form of knife except a switchblade. However, you deserve to still very own a switchblade if it’s less than 3” long and if you have one arm. The knife legislations also permit for open bring of legit knives.

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