AR-57

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AR-57 - 5.7x28mm

The AR-57, also known as the AR Five Seven, is a 5.7x28mm upper receiver conversion for the AR-15 lower receiver. It uses FN P90 magazines mounted on the top of the receiver, while the ejected brass are dropped through the magazine well. It is sold as a semi-auto civilian weapon, but a full auto version exists.

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The AR-57 and variants can be seen in the following films, television series, video games, and anime used by the following actors:

Video Games

Game Title	Appears as	Mods	Notation	Release Date
Cross Fire			Fires in full-auto	2007
Counter-Strike Online 2				2013
Sword Art Online: Fatal Bullet	"SPB Rapier"			2018
Ironsight				2018

See Also

AR-10/15 Derivatives (Gallery) (This template is a WIP)
ArmaLite	Standard	AR-10  •  AR-15
	Sniper	AR-10 SB  •  AR-10T  •  AR-10 TBN
Colt Military	Standard	M16  •  M16A1  •  M16A2  •  M16A4  •  Model 715  •  CM901
	Carbine	M4/M4A1  •  XM177  •  Model 653  •  Model 654  •  Model 723  •  Model 727  •  Model 733  •  Model 933
Colt Civilian	Standard	AR-15 Sporter  •  Match Target
	Carbine	AR-15 Carbine  •  AR-15 Sporter  •  AR-15A2 Government  •  AR-15A3 Tactical  •  LE Carbine
Diemaco/Colt Canada	Standard	C7  •  C7A1  •  C7A2
	Carbine	C8A1 Carbine  •  C8A3 Carbine
	Machine Gun	C7 LSW  •  C7A1 LSW
Heckler & Koch	Standard	HK416  •  HK417
	Carbine	HK416C
	Machine Gun	M27 IAR
Remington	Standard	R4  •  R5 RGP
	Sniper	RSASS  •  R25
Knight's Armament	Standard	SR-15  •  SR-47
	Sniper	SR-25/M110 SASS
LWRC	Carbine	LWRC M6A2
	Sniper	LWRC REPR
CMMG	Standard	CMMG Mk4  •  CMMG Mk47
	Submachine Gun	CMMG MkGs  •  CMMG Mk57
Others	Carbine	CA-415  •  Mk 18 Mod 0  •  LVOA-S  •  Silver Shadow Gilboa  •  Cobalt Kinetics Rifle Series  •  Olympic Arms OA-93  •  Kel-Tec PLR-16  •  M231 Firing Port Weapon  •  STM-9
	Sniper	Mk 12 SPR  •  LaRue Tactical OBR  •  DPMS TAC20  •  JP Enterprises LRP-07  •  TX-15 DML
	Special	Alexander Arms .50 Beowulf  •  AR-57  •  Mk 18 Mod 1 Mjolnir