The Barrett M82 is a recoil-operated, semi-automatic anti-materiel rifle developed by the American company Barrett Firearms Manufacturing. It is chambered in the .50 BMG cartridge and is used as an anti-materiel rifle and explosive ordnance disposal tool. The M82 is a short-recoil semi-automatic firearm.

The AK-47 is a gas-operated assault rifle that is chambered for the 7.62×39mm cartridge. It was designed by Russian small-arms designer Mikhail Kalashnikov in 1946 and has been in service since 1949. The AK-47 is known for its reliability, low production cost, and ease of use. It is one of the most widely used firearms in the world, with an estimated 100 million in circulation.

The M16 rifle is a family of military rifles adapted from the ArmaLite AR-15 rifle for the US military. It has a 5.56×45 mm cartridge and a 20-round magazine. The original M16 rifle was a 5.56×45mm automatic rifle with a 20-round magazine. The M16A1, M16A2, and M16A4 are the main variants of the M16 series.

The Desert Eagle is a gas-operated, semi-automatic pistol that can fire .50 Action Express, .44 Magnum, and .357 Magnum cartridges. It was designed by Magnum Research and Israel Military Industries in 1979 and has been produced since 1983. The pistol has a large size, a manual safety switch, and interchangeable barrels.