A bullet is a type of projectile that is shot from the barrel of a firearm. Bullets are made of a variety of materials, including copper, lead, steel, polymer, rubber and even wax. They do not normall
7.5×55mm Swiss full metal jacket, armor piercing, tracer, and spitzer projectiles. The three bullets on the right show cannelure evolution.
Round shot from the 16th century Mary Rose English warship, showing both stone and iron ball shot
Matchlock musket balls, alleged to have been discovered on the battlefield of Naseby (1645)
A cartridge, also known as a round, is a type of pre-assembled firearm ammunition packaging a projectile, a propellant substance and an ignition device within a metallic, paper, or plastic case that i
Bullet
…which means "small ball". Bullets are available singly (as in muzzle-loading and cap and ball firearms) but are more often packaged with propellant as a cartridge ("round" of ammunition) consisting of the bullet (i.e., the projectile), the case (which holds everything together), the propellant (which provides the…
A variety of rifle cartridges: .17 HM2 .17 HMR .22 LR .22 Win Mag R/F.22 WMR .17/23 SMc 5mm/35 SMc .22 Hornet .223 Remington .223 WSSM .243 Win .243 Win Improved (Ackley) .25-06 Remington .270 Winchester .308 Winchester .30-06 Springfield .45-70 Government .50-90 Sharps
(Left) Three non-bottlenecked cartridges (9×19mm Parabellum, .40 S&W and .45 ACP) (Center) Three bottlenecked cartridges (FN 5.7×28mm, 5.56×45mm NATO and .300 Winchester Magnum) (Right) Two polymer-cased 12-gauge shotshells
Smokeless powders used for handloading
Percussion caps, the precursor of modern primers