This is a list of small arms whose manufacturer or name (in the case of no known or multiple manufacturers) starts with the letter A—including pistols, shotguns, sniper rifles, submachine guns, personal defense weapons, assault rifles, battle rifles, designated marksman rifles, carbines, machine guns, flamethrowers, multiple-barrel firearms, grenade launchers, anti-tank rifles, and any other variants.
List A. Uberti, Srl. Revolvers 1873 Buntline Target (Italian Republic – A. Uberti, Srl. – unknown date – single-action revolver – .357 Magnum, .45 Colt:Italian variant of the American Colt Buntline Special.) 1873 Buntline Target LBR (Italian Republic – A. Uberti, Srl. – unknown date – single-action revolver – .357 Magnum, .45 Colt: Variant of the 1873 Brtline Target designed to be legal in the United Kingdom of Great Britain and Northern Ireland. Features a longer 20-inch barrel.) AAI Corporation Launchers M203(US – AAI Corporation – 1967–1968 – single-shot underslung grenade launcher – 40×46 mm Grenade Grenade: American grenade launcher designed for use with the Colt M16 rifle and its variants. Entered service with the United States Armed Forces in 1969.) M203 DAX(Us – AAI Corporation – unknown date – single-shot underslung grenade launcher – 40×46 mm Grenade: Variant of the M203. Features a double-action trigger and a longer breech opening to accommodate less-lethal ammunition.) M203A1 (Us – AAI Corporation – Early 1990s – single-shot underslung grenade launcher – 40×46 mm Grenade: Variant of the M203 designed for use with the Colt M4 rifle and its variants. Features a new special mounting system.) M203A1 SOPMOD(US– AAI Corporation, United States Special Operations Command – 1983–2001 – single-shot underslung grenade launcher – 40×46 mm grenade: variant of the M203A1 designed for use with the SOPMOD accessory system for rifles used by the United States Special Operations Command. Features a shorter 9-inch barrel.) M203A2 (US– AAI Corporation – 2008 – single-shot underslung grenade launcher – 40×46 mm Grenade: Variant of the M203 grenade launcher designed for use with Colt M16A4 assault rifles and Colt M4 carbines. Can also be used with M16A2 MWS assault rifles. Features the capability of using rangefinding optics.) M203PI (US – AAI Corporation – unknown date – single-shot underslung grenade launcher – 40×46 mm grenade: Variant of the M203 designed for use with rifles other than the Colt M16 and Colt M4, such as the Steyr AUG assault rifle, Heckler & Koch G3 battle rifle, and Heckler & Koch MP5 submachine gun.) Rifles AAI SBR (US – AAI Corporation – 1970s – assault rifle – 4.32×45 mm:Designed for the United States Armed Forces' Future Rifle Program, which aimed to replace the Colt M16 rifles in service with the United States Armed Forces at that time. Never adopted by any military. Prototypes only.) AAI XM70 (US– AAI Corporation – unknown date – assault rifle – 5.56×45 mm Fléchette:Designed as a possible entry into the United States Armed Forces' Future Rifle Program, which aimed to replace the colt M16 rifles in service with the United States Armed Forces at that time.The AAI SBR was chosen as an entry instead due to high production cost and failures during testing. Prototype only.) Accuracy International Rifles Accuracy International AS50(United Kingdom of Great Britain and Northern Ireland – Accuracy International – 2007 – semi-automatic anti-materiel rifle – .50 BMG: Designed for use with the British Armed Forces and the United States Navy SEALs.) Accuracy International Precision Marksman/Accuracy International PM (United Kingdom of Great Britain and Northern Ireland – Accuracy International – 1982 – bolt-action sniper rifle – 7.62×51 mm NATO, .308 Winchester: Designed to replace the L42A1 bolt-action sniper rifles in service with the British Armed Forces. Designated the L96A1 by the British Armed Forces.) Accuracy International Arctic Warfare/Accuracy International AW(United Kingdom of Great Britain and Northern Ireland – Accuracy International – 1988–1991 –bolt-action sniper rifle– 7.62×51 mm NATO,.308 Winchester: Upgraded variant of the Accuracy International Precision Marksman bolt-action sniper rifle. Features increased reliability, especially in arctic conditions, and an enlarged stockhole, bolt handle, magazine release, and trigger guard. Designated the L118A1 by the British Armed forces, and the Psg 90 by the Swedish Armed Forces.) Accuracy International Accuracy Enforcement/Accuracy International AE (United Kingdom of Great Britain and Northern Ireland – Accuracy International – 2001 – bolt-action sniper rifle – 7.62×51 mm NATO: Simplified variant of the Accuracy International Arctic Warfare bolt-action sniper rifle designed for use with law enforcement. Features a shorter 24-inch barrel.) Accuracy International Accuracy Enforcement MkIII/Accuracy International AE MkIII (United Kingdom of Great Britain and Northern Ireland – Accuracy International – 2009 – bolt-action sniper rifle – 7.62×51 mm NATO: Upgraded variant of the Accuracy International Accuracy Enforcement bolt-action sniper rifle. Features a removable trigger group and a screw-adjustable cheekpiece.) Accuracy International Arctic Warfare .50/Accuracy International AW50(United Kingdom of Great Britain and Northern Ireland – Accuracy International – 2000 – bolt-action anti-materiel rifle – .50 BMG: Variant of the Accuracy International Arctic Warfare bolt-action sniper rifle redesigned to be used as an anti-materiel rifle. Designated the G24 by the Bundeswehr.) Accuracy International Arctic Warfare .50 Folding/Accuracy International AW50F(United Kingdom of Great Britain and Northern Ireland – Accuracy International – 2000 – bolt-action anti-materiel rifle – .50 BMG: Variant of the Accuracy International Arctic Warfare .50 bolt-action anti-materiel rifle. Features a folding stock. Designated the L121A1 by the British Armed Forces.) Accuracy International Arctic Warfare Folding/Accuracy International AWF (United Kingdom of Great Britain and Northern Ireland – Accuracy International – 2001 – bolt-action sniper rifle – 7.62×51 mm NATO, .308 Winchester: Variant of the Accuracy International Arctic Warfare. Features a side-folding polymer stock.) Accuracy International Arctic Warfare Magnum/Accuracy International AWM (United Kingdom of Great Britain and Northern Ireland – Accuracy International – 1996 – bolt-action sniper rifle – .300 Winchester Magnum, .338 Lapua Magnum: Variant of the Accuracy International Arctic Warfare bolt-action sniper rifle designed for use with magnum rifle cartridge chamberings.) Accuracy International Arctic Warfare Magnum Folding/Accuracy International AWM-F (United Kingdom of Great Britain and Northern Ireland – Accuracy International – 2001 – bolt-action sniper rifle – .300 Winchester Magnum, .338 Lapua Magnum: Variant of the Accuracy International Arctic Warfare Magnum bolt-action sniper rifle. Features a folding stock.) Accuracy International Arctic Warfare Police/Accuracy International AWP (United Kingdom of Great Britain and Northern Ireland – Accuracy International – 1997 – bolt-action sniper rifle – .243 Winchester, 7.62×51 mm NATO, .308 Winchester: Variant of the Accuracy International Arctic Warfare bolt-action sniper rifle designed for use with law enforcement agencies rather than militaries. Features a shorter 24-inch barrel and black frame.) Accuracy International Arctic Warfare Suppressed/Accuracy International AWS (United Kingdom of Great Britain and Northern Ireland – Accuracy International – 1998 – bolt-action sniper rifle – 7.62×51 mm NATO, .308 Winchester: Variant of the Accuracy International Arctic Warfare bolt-action sniper rifle designed for use with subsonic ammunition. Features an integral suppressor and a 16-inch barrel.) Accuracy International Arctic Warfare Covert/Accuracy International AWC (United Kingdom of Great Britain and Northern Ireland – Accuracy International – 2002 – bolt-action sniper rifle – 7.62×51 mm NATO, .308 Winchester: Variant of the Accuracy International Arctic Warfare Suppressed bolt-action sniper rifle. Features a folding stock and a 12-inch barrel.) Accuracy International AX338MC(United Kingdom of Great Britain and Northern Ireland – Accuracy International – 2010 – bolt-action sniper rifle: Variant of the Accuracy International Arctic Warfare bolt-action sniper rifle designed in part for the United States Special Operations Command Precision Sniper Rifle program. Features a more modular design than the Arctic Warfare.) Accuracy International Accuracy Tactical/Accuracy International AT(United Kingdom of Great Britain and Northern Ireland – Accuracy International – 2014 – bolt-action sniper rifle – 7.62×51 mm NATO: Cheaper, simpler variant of the British Accuracy International AX338MC bolt-action sniper rifle designed for the law enforcement and civilian markets.) Accuracy International AX50MC(United Kingdom of Great Britain and Northern Ireland – Accuracy International – unknown date – bolt-action anti-materiel rifle – .50 BMG:Variant of the Accuracy International AX338MC bolt-action sniper rifle. Features a bolt diameter of 30 mm.) Accuracy International AX308MC(United Kingdom of Great Britain and Northern Ireland – Accuracy International – unknown date – bolt-action sniper rifle – 7.62×51 mm NATO: Variant of the Accuracy International AX338MC bolt-action sniper rifle. Features a bolt diameter of 20 mm.) Advanced Armament Corporation Personal Defense Weapons AAC Honey Badger (United States – Advanced Armament Corporation – 2011 – Personal Defense Weapon – 300 AAC Blackout: American personal defense weapon based on the American AR-15. Comes in two variants, a fully automatic variant for military markets, and a semi-automatic variant for civilian markets.) Aeroknox Aeroknox XM556(US – machine gun – 5.56×45 mm NATO) Afanasyev machine gun(Soviet Union – machine gun – 7.62x54mmR: prototype) Akdal Arms Pistols Akdal Ghost TR-01 (Republic of Turkey – Akdal Arms – 1990 – semi-automatic pistol – 9×19 mm Parabellum: Turkish semi-automatic pistol with many similarities to the Austrian semi-automatic Glock 17 pistol.) Shotguns Akdal MKA 1919 (Republic of Turkey – Akdal Arms – 2006 – semi-automatic shotgun – 12 Gauge: Turkish semi-automatic shotgun that resembles the American Colt M16 assault rifle.) ALFA-PROJ Pistols ALFA Combat(Czech Republic – ALFA-PROJ – 2003 – semi-automatic pistol – 9×19 mm Parabellum,.40 S&W,.45 ACP: Semi-automatic pistol manufactured by ALFA-PROJ. Chambered in either 9×19 mm Parabellum, .40 S&W, or .45 ACP.) ALFA Defender(Czech Republic – ALFA-PROJ – 2002 – Compact semi-automatic pistol – 9×19 mm Parabellum, .40 S&W, .45 ACP: Compact semi-automatic pistol manufactured by ALFA-PROJ. Chambered in either 9×19 mm Parabellum, .40 S&W, or .45 ACP.) Revolvers ALFA-PROJ Series ALFA (Czech Republic – ALFA-PROJ – unknown date – double-action revolvers – .357 S&W Magnum: Series of Czech revolvers designed for use with law enforcement agencies, private security agencies, personal security units, and hunters.) ALFA-PROJ Model 3520(Czech Republic – ALFA-PROJ – unknown date – compact double-action revolver – .357 S&W Magnum: compact-length model of the Czech Series ALFA series of double-action revolvers. Features a 2-inch-long barrel and fixed sights.) ALFA-PROJ Model 3530(Czech Republic –ALFA-PROJ– unknown date –double-action revolver– .357 S&W Magnum:Full-length model of the Czech Series ALFA series of double-action revolvers. Features a 3-inch-long barrel and fixed sights.) ALFA-PROJ Model 3531(Czech Republic – ALFA-PROJ – unknown date – double-action revolver – .357 S&W Magnum: Variant of the Czech ALFA-PROJ Model 3530 double-action revolver. Features a new finish, and new front and adjustable rear sights.)