Weapons and Dangerous Instruments

AR 5131.70



For purposes of this policy, the term “firearm” is defined as follows:

  1. Any weapon (including a starter gun) which will or is designed to or may readily be converted to expel a projectile by the action of an explosive;
  2. the frame or receiver of any such weapon;
  3. any firearm muffler or firearm silencer; or
  4. any dangerous instrument.

The term “dangerous instrument” means:

  1. matches, lighters, and  flammable devices, including fire-starter materials;

  2. any explosive, incendiary, or poison gas-
    1. bomb,
    2. grenade,
    3. rocket having a propellant charge of more than four ounces,
    4. missile having an explosive or incendiary charge of more than one-quarter ounce,
    5. mine, or
    6. device similar to any of the devices described in the preceding clauses;

  3. any type of weapon by whatever name known which will, or which may be readily converted to, expel a projective by the action of an explosive or other propellant, and which has any barrel with a bore of more than one-half inch in diameter; and

  4. any combination of parts either designed or intended for use in converting any device into any destructive device described in subparagraph (a) or (b) from which a destructive device may be readily assembled. 

For the purposes of this policy, the term “deadly weapon” is defined as follows:

Anything designed for and capable of causing death or serious physical injury, including a knife, an ax, a club, or metal knuckles.  For purposes of     this policy, the term “deadly weapon” does not include a firearm as defined under the portion of this policy relating to the federal Gun-Free Schools Act of 1994.


adoption Date:  9/21/2001
Revision Date:  1/14/2015