A carbine is a long gun that has a barrel shortened from its original length. Most modern carbines are rifles that are compact versions of a longer rifle or are rifles chambered for less-powerful cart
An M4 carbine, a common AR-15–style carbine. The M4 is the shorter, lighter carbine variant of the M16 rifle.
An AKS-74U with laminated wood furniture. The AKS-74U is the shorter, lighter carbine variant of the AK-74 rifle.
Harquebusier, carbine-armed cavalry, 17th century
Carbine model 1793, used by the French Army during the French Revolutionary Wars
The M16 rifle is a family of assault rifles adapted from the ArmaLite AR-15 rifle for the United States military. The original M16 rifle was a 5.56×45mm automatic rifle with a 20-round magazine.
Carbine
…and decided to standardize on the intermediate 5.56×45mm NATO round (based on the .223 Remington varmint cartridge) fired from the new, lightweight M16 rifle, leaving NATO to hurry and catch up. Many of the NATO countries could not afford to re-equip so soon after the recent 7.62mm standardization, leaving…
From top to bottom: M16A1, M16A2, M4A1, M16A4.
A Marine of the 3rd Battalion, 1st Marines cleans his XM16E1 in December 1967.
Front cover – The M16A1 Rifle – Operation and Preventive Maintenance by Will Eisner, issued to American soldiers in 1969 during the Vietnam War