Ruger SR-556

The SR-556 was a semi-automatic AR-15 style rifle manufactured by Sturm, Ruger & Co. The rifle was introduced in 2009 in .223 Remington/5.56×45mm NATO and as a .308 Winchester AR-10 variant in 2013, the SR-762. It is one of several AR-15 rifles to use a gas piston operation.

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2009  Wikimedia, Wikidata
mass 3.6 kilogram, 
semi-automatic rifle, Sturm, Ruger & Co., United States, 

Beretta MAB 18/30, Cei-Rigotti, Hakim Rifle, Heckler & Koch HK41, Heckler & Koch MR223, Heckler & Koch SL6, Heckler & Koch SL7, M1 carbine, M1941 Johnson rifle, Marlin Model 60, Mossberg 715T, R-1, Remington Model 597, Robinson Armament M96 Expeditionary, RSC 1917, Ruger 10/22, Ruger Mini-14, Savage Model 64F, Sig Sauer MCX, Type 4 rifle, Volkssturmgewehr 1-5, 

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Location: KML, Cluster Map, Maps,

Frameless

Ruger-SR556-Rifle

Srgaskey

556e

Rugersrcarrier

Srfired

Gassyt

Ruger AR-556

Ruger AR-556 (40251929591)

Ruger AR-556 (40251945971)

Ruger AR-556 (40251936341)

Type	Subtype	Date	Description	Notes	Source
commons	image		Ruger-SR556-Rifle		Commons
commons	image		Srgaskey		Commons
commons	image		556e		Commons
commons	image		Rugersrcarrier		Commons
commons	image		Srfired		Commons
commons	image		Gassyt		Commons
commons	image		Ruger AR-556		Commons
commons	image		Ruger AR-556 (40251929591)		Commons
commons	image		Ruger AR-556 (40251945971)		Commons
commons	image		Ruger AR-556 (40251936341)		Commons