Ammunition and magazine laws in Florida

“Armor-piercing bullet” means any bullet which has a steel inner core or core of equivalent hardness and a truncated cone and which is designed for use in a handgun as an armor-piercing or metal-piercing bullet.
“Exploding bullet” means any bullet that can be fired from any firearm, if such bullet is designed or altered so as to detonate or forcibly break up through the use of an explosive or deflagrant contained wholly or partially within or attached to such bullet. The term does not include any bullet designed to expand or break up through the mechanical forces of impact alone or any signaling device or pest control device not designed to impact on any target.
“Dragon’s breath shotgun shell” means any shotgun shell that contains exothermic pyrophoric misch metal as the projectile and that is designed for the sole purpose of throwing or spewing a flame or fireball to simulate a flamethrower.
“Bolo shell” means any shell that can be fired in a firearm and that expels as projectiles two or more metal balls connected by solid metal wire.
“Flechette shell” means any shell that can be fired in a firearm and that expels two or more pieces of fin-stabilized solid metal wire or two or more solid dart-type projectiles.
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Any person who manufactures, sells, offers for sale, or delivers any armor-piercing bullet or exploding bullet, or dragon’s breath shotgun shell, bolo shell, or flechette shell is guilty of a felony of the third degree, punishable as provided in s. 775.082, s. 775.083, or s. 775.084.
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The manufacture of items described in subsection (1) exclusively for sale or delivery to law enforcement agencies.

(x)(1) It shall be unlawful for a person to sell, deliver, or otherwise transfer to a person who the transferor knows or has reasonable cause to believe is a juvenile—
(A) a handgun; or
(B) ammunition that is suitable for use only in a handgun.
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(5) For purposes of this subsection, the term "juvenile" means a person who is less than 18 years of age.

Small Arms Ammunition: Ammunition is classified as a Division 1.1, 1.2, 1.3, or 1.4 explosive, depending on the degree of hazard. Ammunition that is regulated as a Class 1 explosive and designed to be fired from a pistol, revolver, rifle, or shotgun, as well as associated primers and blank cartridges (including those designed for tools) and propellant powder for use in any firearm, is prohibited from mailing.
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Shotgun Hulls, Empty Casings, Nonmetallic Shotgun Hulls, or Casings Without Primers: These articles are not classified as explosives or hazardous materials under 49 CFR and, therefore, are mailable, subject to the applicable mailing rules (refer to 224).