Hunting .223 Rem (5.56x45) cartridge is designed for firing box- and clip-fed carbines, as well as combined hunting weapons.

The .30-30, itself, was the first small bore hunting round to use smokeless powder.

The .30-30 was the USA’s first small-bore, sporting rifle cartridge designed for smokeless powder.

Irwin Barr of AAI Corporation introduced a series of flechette weapons, starting with a shotgun shell containing 32 darts and ending with single-round flechette "rifles".