Known as one of the six famous guns in the world, the M16 series automatic rifle is the second generation rifle which was replaced by the United States after the Second World War. The length of the body of this rifle is 986 mm, including the length of the barrel of 508 mm. It has six right-handed rifles. Without loading bullets, the body weight of this rifle is 3.55 kg, and it uses 5.56 kg × The 45 mm m193 has a firing rate of 900 rounds per minute and an effective range of 600 meters
M16 series automatic rifle is a light 5.56 mm rifle, which has a rotary gun machine which is directly driven by high pressure gas through the air guide pipe. Its body is mainly made of steel, aluminum and plastic, and is the first small caliber rifle in the world to be put into practice.