What is m16a3?

The M16A3 is a select-fire, air-cooled, gas-operated, magazine-fed assault rifle that is used by the United States military. It is based on the original M16 design but includes several improvements over the previous models, such as a redesigned bolt catch/release, a removable carrying handle with integrated iron sights, and a standard full-auto firing mode.

The M16A3 is chambered in 5.56x45mm NATO ammunition and has a maximum effective range of around 600 meters. It has a barrel length of 20 inches and an overall length of 39.5 inches with the stock extended.

The M16A3 has been used by various branches of the U.S. military, including the Army, Marine Corps, and Navy. It has seen action in numerous conflicts, including the Gulf War, Iraq War, and War in Afghanistan.

Overall, the M16A3 is known for its accuracy, reliability, and versatility, making it a popular choice among military forces around the world.