a. Ammunition (per 18 USC 921(a)(17)). The term means ammunition or cartridge cases, primers, bullets, or propellant powder designed for use in any firearm.

b. Non-Standard Ammunition (NSA). Munitions that have not been safety tested and type classified for U.S. Army use. Munitions and explosives that are not managed by National Inventory Control Points, do not have a national stock number (NSN) and cannot be procured or requisitioned through the U.S. Army supply system.

c. Arms. DoD 5100.76-M defines a weapon that will or is designed to expel a projectile or flame by the action of the explosive, and the frame or receiver of any such weapon. Arms is a specified subset of Dangerous Weapons and all provisions for procuring, securing, and accounting for Arms will also specifically apply to all manner of silencers, mufflers, or suppressors.

d. Arms Parts. Arms parts are a subset of “Arms” and defined as any item required to effect a function of the firing cycle, but not an Arm in and of itself.

e. Arms Accessories. Arms accessories are anything not defined/covered by the previous definitions. Arms Accessories would include, by specific delineation/enumeration, detachable magazines. This would specifically include all manner of sights, optics, slings, bipods, etc., that are available in the commercial marketplace.

f. Weapons. The term “weapon” means a weapon, device, instrument, material, or substance, animate or inanimate, that is used for, or is readily capable of, causing death or serious bodily injury,

except that such term does not include a pocket knife with a blade of less than 2½ inches in length. Weapons include but are not limited to the following: Any knife having a switchblade, automatic opener, or spring-loaded blade and/or disguise to resemble another item; martial arts devices (e.g., blackjacks) or other devices (e.g., brass knuckles to amplify the effect of a bare-handed blow). Weapon does not include single-edge (it is permissible to have a saw on the edge opposite the blade) fixed or folding bladed knives or “multi-tools” with a blade length not to exceed four inches.