History of the M-16 BLACK RIFLE

[EL LOBO]

The M16 rifle, officially designated Rifle, Caliber 5.56 mm, M16, is a family of military rifles adapted from the ArmaLite AR-15 rifle for the United States military. The original M16 rifle was a 5.56mm automatic rifle with a 20-round magazine.

https://en.wikipedia.org/wiki/M16_rifle