armor-piercing ammunition
Defined in 1 dictionary — U.S. Code
United States Code
10 U.S.C. § 4688 — in this section
Definition.—In this section, the term “armor-piercing ammunition” means a center-fire cartridge the military designation of which includes the term “armor penetrator” or “armor-piercing”, including a center-fire cartridge designated as armor-piercing incendiary (API) or armor-piercing incendiary-tracer (API–T).
18 U.S.C. § 921 — as used in this chapter
The term “armor piercing ammunition” means—
(i) a projectile or projectile core which may be used in a handgun and which is constructed entirely (excluding the presence of traces of other substances) from one or a combination of tungsten alloys, steel, iron, brass, bronze, beryllium copper, or depleted uranium; or
(ii) a full jacketed projectile larger than .22 caliber designed and intended for use in a handgun and whose jacket has a weight of more than 25 percent of the total weight of the projectile.