The M16 rilfe used by the US Military is caliber 5.56mm x 45mm. This is SIMILAR to, but not exactly the same as the .223 cartridge.
The civilian variations of the AR-15 style rifles are in several calibers including 7.62 NATO and 7.62 Soviet
You can have an AR 15 in one of 59 different calibers at last count. The M16 has at least 132 variants.
An M16 is chambered in 5.56 NATO round. Depending on cartridge type the speed can be between 905 m/s (2,970 ft/s) and 940 m/s (3,100 ft/s). A civilian version of an M16 can be chambered in many different calibers and the speed will depend on cartridge, load and bullet type.
Well over 1000.
Winchester made many rifle models chambered in several .22 calibers.
Yes. The Colt AR15 is the original semi-auto version of the military M16. The rifle is now made by many manufacturers besides Colt.
The M16 assault rifle is chambered for the 5.56x45mm NATOintermediate rifle cartridge. It can also accept .223 Remington rounds.
Nobody. The M16 is not a sniper rifle, and it did not enter production until 1960.
1959
The M16 sieries of rifles are individual combat weapons.
The M16 assault rifle has an overall length of 39.5 inches (1,000mm) and a barrel length of 20 inches (508mm).
The Black Rifle by Blake Stevens
The weight of an M16 rifle without a magazine or sling is approximately 7.2 pounds.