Missouri law defines a crossbow as:
"(16) Crossbow: A device for discharging
quarrels or bolts, formed of a bow set crosswise
on a stock, usually drawn by means of a
mechanism and discharged by release of a
trigger."
Rules of Department of Conservation
Division 10—Conservation Commission
Chapter 20—Wildlife Code: Definitions
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Hunting reg is:
"(I) Bows and Crossbows. Bows and crossbows
may be used to take wildlife during the
prescribed hunting seasons. Arrows and bolts
containing any drug, poison, chemical, or
explosive are prohibited, but illuminated
sights, scopes, and quickpoint sights may be
used. Hand-held string releasing mechanisms
are permitted with bows."
Rules of Department of Conservation
Division 10—Conservation Commission
Chapter 7—Wildlife Code: Hunting: Seasons, Methods, Limits
Hope that helps.
http://www.sos.mo.gov/adrules/csr/current/3csr/3csr.asp
I'm bored..