imported post
MO issues a CCW (concealed carry weapon) endorsement (it is an "endorsement" to your DL or State ID). See RsMO 571.030 (4)
http://www.moga.mo.gov/statutes/C500-599/5710000030.HTM
4. Subdivisions (1), (8), and (10) of subsection 1 of this section shall not apply to any person who has a valid concealed carry endorsement issued pursuant to sections 571.101 to 571.121 or a valid permit or endorsement to carry concealed firearms issued by another state or political subdivision of another state.
Sections (1), (8), (10) of subsection 1:
(1) Carries concealed upon or about his or her person a knife, a firearm, a blackjack or any other weapon readily capable of lethal use; or
(8) Carries a firearm or any other weapon readily capable of lethal use into any church or place where people have assembled for worship, or into any election precinct on any election day, or into any building owned or occupied by any agency of the federal government, state government, or political subdivision thereof; or
(10) Carries a firearm, whether loaded or unloaded, or any other weapon readily capable of lethal use into any school, onto any school bus, or onto the premises of any function or activity sponsored or sanctioned by school officials or the district school board.
Link to entire Chapter 571 if you want to read 571.101 to 571.121 referenced in the above:
http://www.moga.mo.gov/statutes/chapters/chap571.htm
It does not allow the carry of gravity or spring opened bladed weapons such as balisong or switch blade which are specifically prohibited in a different section.
Some good further reading on MO CCW law and weapons not allowed with CCW and changes since CCW passage can be found at Kevin Jamison, Esq's, a well known SD advocate/atty in the state, website which also has a link to purchase his book:
http://www.kljamisonlaw.com/updates.asp
The most relevant section from that page (emphasis mine):
The License to Carry (LTC) statute exempts license holders from the provisions of the ban against concealed carry in RSMo 571.030. There are other sections of law which restrict concealed carry or possession. The statute does not limit the type of weapon which can be concealed by licensees. One could carry a bowie knife in a boot, a pistol in a pocket, or a shotgun under a coat. As in any self-defense weapon, the more exotic the weapon, the more likely the licensee’s conduct will be examined. The law requires training with revolvers and semi-automatic pistols. This does not prevent the licensee from carrying one or two barreled deringers, although why one would want to remains a mystery.
The law does not authorize possession of switchblades (see MISSOURI WEAPONS AND SELF-DEFENSE LAW page 20).
While a collector or other authorized switchblade owner, or a licensed owner of an automatic weapon or sawed-off shotgun might carry such a weapon, this is not a good idea from a public relations standpoint, which is where many criminal cases begin. The prosecutor's association and at least one trial judge contends that the LTC law only allows carrying handguns. They are wrong.
The law exempts license holders from the CCW provisions of RSMo 571.030. This means ALL weapons. The statute refers elsewhere to handguns, but the exemption is for "weapons". It is a basic rule of statutory interpretation that the defendant gets the benefit of the doubt.
A licensee may carry as many weapons as desired. This may be considered to be evidence of some enthusiasm for gunfights, by persons who file criminal charges and serve on juries. Many will claim that the second gun is a "throwdown" to justify a questionable shooting, even if never used as such. Use of a weapon easily traced to the owner through federal or state purchase records will reduce the effect of this claim. Many police officers carry backup guns for the same reason as they carry spare tires; in case the primary gun is disabled. Due to weapon focus guns, are sometimes disabled by criminal gunfire. It has also been discovered that it is quicker for an individual to draw a second gun than to reload the primary gun. Drawing a second gun is refered to as a "New York reload". A backup gun also allows an individual to provide a weapon to a companion.
The use of magnum ammunition should be discouraged (but is not illegal) due to problems of over-penetration.
The statute licenses the person, not a specific weapon. It does not limit the licensee to a specific weapon. One may carry any weapon, or as many weapons at the state of dress or degree of threat demands.
ETA: As a side note, 571 does not specify the designation "CCW" and I cannot find it anywhere in RsMO. The statute states that a "concealed carry endorsement", upon meeting the requirements, shall be issued on a MO DL or State ID but I do not find where it is specified how this endorsement should be noted. What is used is the letters "CCW" on the DL or ID which is generally agreed to mean "concealed carry weapons" as I understand. I assume this designation was generated somewhere within Dept of Revenue regs as that is the dept that issues DLs and IDs in MO. Someone else may be able to shed light on "CCW" becoming the official endorsement designation.