17 relations: AK-47, AR-15 style rifle, Assault rifle, Close quarters combat, Direct impingement, Gas-operated reloading, Iron sights, M14 rifle, M16 rifle, Nylatron, Picatinny rail, Rifle, Rotating bolt, Selective fire, STANAG magazine, United States, 5.56×45mm NATO.
The AK-47, or AK as it is officially known, also known as the Kalashnikov, is a gas-operated, 7.62×39mm assault rifle, developed in the Soviet Union by Mikhail Kalashnikov.
An AR-15 style rifle is a lightweight semi-automatic rifle based on the Colt AR-15 design.
An assault rifle is a selective-fire rifle that uses an intermediate cartridge and a detachable magazine.
Close quarters combat (CQC) is a tactical concept that involves physical confrontation between several combatants.
Direct impingement is a type of gas operation for a firearm that directs gas from a fired cartridge directly into the bolt carrier or slide assembly to cycle the action.
Gas-operation is a system of operation used to provide energy to operate autoloading firearms.
Iron sights are a system of shaped alignment markers (usually metal) used as a sighting device to assist in the aiming of a device such as a firearm, crossbow, or telescope, and exclude the use of optics as in reflector (reflex) sights, holographic sights, and telescopic sights.
The M14 rifle, officially the United States Rifle, 7.62 mm, M14, is an American automatic rifle that fires 7.62×51mm NATO (.308 in) ammunition.
The M16 rifle, officially designated Rifle, Caliber 5.56 mm, M16, is a United States military adaptation of the ArmaLite AR-15 rifle.Kern, Danford Allan (2006).. m-14parts.com. A thesis presented to the Faculty of the US Army Command and General Staff College in partial fulfillment of the requirements for the degree MASTER OF MILITARY ART AND SCIENCE, Military History. Fort Leavenworth, KansasKokalis, Peter G.. Nodakspud.com The original M16 was a selective fire 5.56mm rifle with a 20-round magazine. In 1964, the M16 entered U.S. military service and the following year was deployed for jungle warfare operations during the Vietnam War. In 1969, the M16A1 replaced the M14 rifle to become the U.S. military's standard service rifle.Ezell, Edward Clinton (1983). Small Arms of the World. New York: Stackpole Books. pp. 46–47..Urdang, p. 801. The M16A1 improvements include a bolt-assist, chrome plated bore and a new 30-round magazine. In 1983, the U.S. Marine Corps adopted the M16A2 rifle and the U.S. Army adopted it in 1986. The M16A2 fires the improved 5.56×45mm NATO (M855/SS109) cartridge and has a new adjustable rear sight, case deflector, heavy barrel, improved handguard, pistol grip and buttstock, as well as a semi-auto and three-round burst only fire selector. Adopted in 1998, the M16A4 is the fourth generation of the M16 series.Weapons of the Modern Marines, by Michael Green, MBI Publishing Company, 2004, page 16 It is equipped with a removable carrying handle and Picatinny rail for mounting optics and other ancillary devices. The M16 has also been widely adopted by other militaries around the world. Total worldwide production of M16s has been approximately 8 million, making it the most-produced firearm of its 5.56 mm caliber. The U.S. Military has largely replaced the M16 in combat units with a shorter and lighter version named the M4 carbine.
Nylatron is a tradename for a family of nylon plastics, typically filled with molybdenum disulfide lubricant powder.
The Picatinny rail, or Pic rail for short, also known as a MIL-STD-1913 rail, or Standardization Agreement 2324 rail, is a mil-spec firearm rail interface system that provides a standard accessory mounting platform consisting of a hexagonal rail with multiple transverse slots, similar in concept to the earlier commercial Weaver rail mount used to mount telescopic sights.
A rifle is a portable long-barrelled firearm designed for precision shooting, to be held with both hands and braced against the shoulder for stability during firing, and with a barrel that has a helical pattern of grooves ("rifling") cut into the bore walls.
Rotating bolt is a method of locking used in firearms.
Selective fire means the capability of a weapon to be adjusted to fire in semi-automatic, burst mode, and/or fully automatic firing mode.
A STANAG magazine or NATO magazine is a type of detachable firearm magazine proposed by NATO in October 1980.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
The 5.56×45mm NATO (official NATO nomenclature 5.56 NATO) is a rimless bottlenecked intermediate cartridge family developed in Belgium by FN Herstal.