The G36 is a lightweight, air-cooled, gas-operated assault rifle developed by the German company Heckler & Koch. Introduced in the 1990s, it is designed for military and law enforcement use, featuring a modular design that allows for various configurations and accessories. The rifle is chambered for the 5.56×45mm NATO cartridge, making it effective for a range of combat situations. The G36 is known for its accuracy, reliability, and ease of use. It has a distinctive polymer body, which contributes to its low weight, and is equipped with a picatinny rail for mounting optics and other equipment. The rifle has been adopted by several military forces around the world.