Firearms; Ammunition for firearms; Less-lethal projectiles in the nature of projectiles for firearms that pose a great risk of lethal injuries but are less likely to cause death or great bodily injury than traditional bullets; Projectile launching devices, namely, pneumatic air guns, pneumatic air shotguns, pneumatic air grenade launchers, and pneumatic air launchers; Ammunition for Projectile launching devices; Projectile launching devices classified as firearms, namely, pneumatic air rifles, guns, and projectile launchers; Pneumatic gun structural components, namely, pneumatic gun regulators, pistol grips and small arms grips, gun tactical rails, and air gun and rifle systems comprising air tanks, CO2 tanks, CO2 cartridges, and compressed gas holding systems for pneumatic guns