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Overview

The AR57 (also known as AR Five Seven) is an American assault rifle developed in the late 2000s by AR57 LLC. When purchased, an upper receiver that fits most AR-15-platform lower receivers and two magazines are provided. The resulting firearm is similar to the AR-15, but chambered in 5.7x28mm FN.

The upper receiver includes a forward handguard, and a rail system for mounting optics. The magazine well from the lower receiver is re-purposed as an ejection port for casings, and a hollow magazine can be acquired that will hold spent casings.

AR-15 Derivatives
American 601602603604607 (A)609610614629630633635645653654655656715723725727733750920921933945950991AR-15AR57AR-556Barrett M468Barrett REC7CA-415CM901Colt ACRDS-25GP-NIAR6940 (HP)J16J18J19CJ21J22J23J24J48J71J450KAC SR-15KAC SR-16KAC SR-25LMT MWSLVOA-CLVOA-SLWRC M6M4 Carbine (A1)M16 (A1A2A3A4)M231 FPWOA K3BOA K23BR6450SaintSR-556SWORD Mk-15 (PPPURG-IDC)Type-A CQBR Resto-ModXM177 (E1E2)ZRO Delta Ready Series (RangeMissionGame17.76)ZRO Delta Venator
Austrian STM 556
Botswanian MRR15.7MMRR11.6S
British L119A1 (A2)
Canadian C7 (A1A2CT)C8A1 (A2CTIURSFW)LSW (A1)NEA-15
Chinese CQ311CS/LM11CS/LR25
Czech LA-15
Danish Kb M/96LSV M/04Gv M/95Gv M/96Gv M/10
German CR223Haenel MK556HK 416 (A5A7C)HK 417HK M4
Italian AP-15AP-74
Korean Daewoo K2
New Zealand MARS-L
Philippine M16 22
Russian ADAR 2-15GM-15 (-10)ORSIS-AR15JR-715STM-7STM-9STM-15STM-40STM-300STM-308STM-366STM-922STM-GRSTM-SMTK515
Swiss SIG 516SIG 716SIG MCXSIG M400SIG TREAD
Turkish MPT-55 (K)Safir T-14
AR57 LLC Products
Firearms AR57 LLC.jpg
Assault Rifles AR57
Flag of the United States of America (1960 to present) United States of America
Weapons
Modern Period (1991 — Present)
Infantry Weapons
Melee Weapons Knives Ka-BarM7M9M11OKC-3S
Sidearms Pistols GI M1GI M2GI M3GI M4GI M5ICQBKP-9M9 (A1A2A3A4)M11M17M18M45 (A1)OA-93OA-96OA-98RM380
Machine Pistols [[]]
Close Quarters Personal Defense Weapons Colt MARSPDR (CD)
Submachine Guns [[]]
Shotguns (automatic) AA-12 (CQB)
Shotguns (semi-automatic) KOMRADM1014 JSCS
Shotguns (manual-action) KS7KSG (25CompactTactical)M26
Primary Weapons Assault Rifles AAI ACRBushmaster ACRCA-415DT MDRGD NGSW-RHK 416IO AKM247 (T)LVOA-SLSAT RifleM16 (A1A2A3A4)M17SM468MAS .223MasadaMDC Apocalypse (DeathFaminePestilenceWar)Mk 4Mk 16R5REC7Remington ACRSaintSWORD Mk-15 (PPPURG-IDC)XM8XM29
Assault Carbines Carbon 15 (Type 97)DT MDR-CLVOA-CM4 (A1)
Battle Rifles DT MDRHK 417Mk 17SA58
Battle Carbines DT MDR-C
Assault Rifles (Exotic) .50 Beowulf Assault RifleAR57SR-47
Assault Carbines (Exotic) KAC PDW
Automatic Support Weapons Light Machine Guns GD NGSW-ARKAC LMGM27 IARStoner 96XM106XM207
General Purpose Machine Guns [[]]
Heavy Machine Guns [[]]
Long Range Anti-Materiel Rifles AK-50M82 (A1A1CQA2A3)M107 (A1)
Bolt-Action Rifles CheyTac Intervention (M-200M-200 CarbineM-200 CIVM-300M-310M-325)HTIM24 (A1A2A3E1)M40 (A1A3A5A6A7)M2010Mk 13 (Mod 5Mod 7)Remington 700SRS (A1A1 CovertA2A2 Covert)
Designated Marksman Rifles M21 SWSM38 DMRM39 EMRM110 SASS (A1)Mk 14 EBRSWORD Mk-17 (Mod 0Mod 1)SWORD Mk-18XM110 SASS
Launchers Grenade Launchers (Attachment) 40mm FN40GL40mm M203 (A1A2)40mm M32040mm XM148
Grenade Launchers (Standalone) 25mm XM25 CDTE40mm China Lake40mm EX 4140mm M3240mm M7940mm M32040mm T148E1
Disposable Rocket Launcher 83.5mm M14184mm M136139.7mm FGM-172
Rocket Launchers 66mm M72 (A1A2A3A4A5A6A7A8A9A10)66mm M202 (A1)84mm M3 MAAWS
Underwater Weapons Assault Rifles [[]]
Explosives Anti-Personnel Mines M18 (A1)MM-1
Anti-Tank Mines M15M19M21
Offensive Grenades AN/M14 ThermiteM7A3 CS GasM25A2 Riot ControlM47 Riot ControlM67 FragM84 Stun
Smoke Grenades AN/M8AN/M18AN/M83 White Smoke Grenade
Firearm Accessories
Weapon Sights Collimator CrossfireRazorRX30Razor AMG UH-1SPARC ARSPARC IISpitfire 3xSpitfire ARStrikefire IIVenomViper
Holographic EOTech 553
Iron [[]]
Night [[]]
Reflector [[]]
Telescopic Crossfire II (1-4x242-7x32 Rimfire2-7x32 Scout Scope2-7x323-12x56 AO3-9x403-9x504-12x40 AO4-12x444-12x50 AO4-16x50 AO6-18x44 AO-24x50 AO)Copperhead 4-12x44Diamondback (1.75-5x322-7x35 Rimfire3-9x403.5-10x504-12x40)Diamondback Tactical (3-9x404-12x404-16x44 FFP6-24x50 FFP)Golden Eagle HD 15-60x52Ranger 1-4x24Razor HD (5-20x50 FFPAMG 6-24x50)Razor HD Gen II (4.5-27x56 FFP3-18x50 FFPE 1-6x24)Razor HD LH 3-15x42Strike Eagle (1-8x241-6x24)Viper (6.5-20x50 PAHS 2.5-10x44HS 4-16x44HS 4-16x50HS LR 4-16x50HS LR 6-24x50HST 4-16x44HST 6-24x50PST Gen II 1-6x24 (FFP)PST Gen II 3-15x44 (FFP)PST Gen II 5-25x50 (FFP)
Attachments Flashlights & Lasers [[]]
Foregrips & Bipods [[]]
Infantry Equipment
Camouflage Camouflage ERDLODMARPATUCPWoodland
Clothing Backpacks [[]]
Body Armour [[]]
Bomb Suit [[]]
Elbow and knee pads [[]]
Signals & IFF [[]]
Suits [[]]
Vests & Webbing [[]]
Headwear Communication [[]]
Gas Masks & Rebreathers [[]]
Goggles [[]]
Helmets [[]]
Vehicle Headwear [[]]
Optics, Detection and Surveillance Man-Portable Radar [[]]
Mine Detectors [[]]
Night Vision Goggles [[]]
Periscopes [[]]
Rangefinders [[]]
Surveillance [[]]
Artillery
Anti-Aircraft Guns [[]]
Anti-Tank Guns [[]]
Field Guns [[]]
Howitzers [[]]
Infantry & Mountain Guns [[]]
Mortars 81mm M252107mm M30120mm M121
Railroad Artillery [[]]
Recoilless Guns [[]]
Rocket Artillery [[]]
Siege Artillery [[]]
Land Vehicle Weapons
Machine Guns 5.56mm M231 FPW
7.62mm FN MAGGAU-19M37M60M73M219M240M1919A4
12.7mm GAU-19 (AB)M2T175 (E1)XM238
Tank Guns 76.2mm M32T91 (E1E2E3)T185 (E1)
90mm M3M41M54T7T15E2T54T76T125T208 (E9E13)T209
105mm M68 (A1E1)QF20 PdrT5E1T5E2T140 (E3E4)T147T254 (E2)X15E8XM35
120mm M58M256T53T122T123E1T123E6T179RheinmetallX23
152mm M81 (E1)XM81 (E6)XM150 (E5E6)
155mm T7 (E1)T180
165mm M57T156
175mm M113T256E3
203.2mm M1
Howitzers 105mm M2 (A2)M4M49T96E1M103XM104XM103
155mm M45M126 (A1)M185T186E1M284
203.2mm M1M2 (A1A2)M201A1
240mm 240mm M1
Autocannons 20mm M168Rh 202
25mm M242Oerlikon KBA
30mm Bushmaster III
40mm M2 (A1)
75mm 75mm XM274
Recoilless Guns 106mm M40 (A1)
Misc. Spotting Rifles M8
Aircraft Weapons & Munitions
12.7mm Aircraft Machine Guns Browning M2 (AN/M2AN/M3)GAU-19
Aircraft Cannons below & including 30mm 20mm AN/M220mm AN/M320mm M2420mm FMC T-160
Aircraft Cannons above 30mm [[]]
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