Ammunition in which the propellant is encased in a combustible or consumable material, eliminating the traditional metal cartridge case.

A rotating cylindrical chamber that holds multiple cartridges and aligns each with the barrel for firing, as used in revolver-type pistols.

Firearm mechanism where a single trigger pull both cocks the hammer and releases it to fire the round.

A firearm stock that can be folded or collapsed to reduce overall length for storage or transport.

A pistol feature allowing it to fire grenades or projectile rounds.

Adjustable metal aiming devices on firearms, consisting of a front post and rear notch, used without magnification.