Ruger Ar-556 Black Ar-15 .223 / 5.56 Nato 16.1-inch 30rd Â⫠Back to Main Product Info
Model of AR-15 style semi-automatic rifle
Semi-automatic rifle
| Ruger SR-556 | |
|---|---|
 Ruger SR-556 - Standard Configuration (discontinued) | |
| Type | Semi-automatic rifle |
| Place of origin | United States |
| Production history | |
| Designed | 2009 |
| Manufacturer | Sturm, Ruger & Co. |
| Produced | 2009–2018 |
| Variants | SR-762 |
| Specifications (Standard) | |
| Mass | 3.60 kg (7.94 lb)[1] |
| Length | 832 mm (32.75 in) (collapsed) 910 mm (36 in) (extended)[1] |
| Barrel length | 409 mm (16.12 in)[1] |
| Width | 64 mm (2.5 in)[1] |
| Height | 197 mm (7.75 in)[1] |
| | |
| Cartridge | 5.56×45mm NATO/.223 Remington .300 AAC Blackout 6.8mm Remington SPC .308 Winchester/7.62×51mm NATO (SR-762 only) |
| Barrels | 1:410 mm (16 in) |
| Action | Gas-operated short-stroke piston, rotating bolt |
| Feed system | STANAG magazine |
| Sights | Iron sights |
The SR-556 is a semiautomatic AR-15 style rifle manufactured by U.S. firearms company 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.[2] It is one of several 21st-century AR-15 rifles to use gas piston operation (SR-556). In January 2016 Ruger discontinued all SR-556 rifles and introduced a new takedown variant with a lightweight KeyMod handguard.
Overview [edit]
The rifle features a "two-stage" piston mechanism as opposed to the semi-direct impingement system of the AR-15. Gas flow is controlled by a four position regulator. Several key parts, such as the short stroke gas piston, gas regulator, and bolt/carrier group are chrome plated. The bolt carrier features an integral lug in place of the AR-15's gas key. The flash suppressor is similar to Ruger's AC-556 and Mini-14GB.[3]
The 5.56 rifle includes a number of other manufacturer's parts such as a Troy Industries railed handguard and Samson folding iron sights, a Hogue rubberized pistol grip, and three Magpul PMAG 30-round STANAG magazines. The 7.62 variant uses SR-25 pattern magazines. The SR-556SC comes with three 10-round magazines and does not have the flash hider or collapsible stock, making it compliant in several states with restrictive rifle laws. The barrel is 409 mm (16.12 in), chrome lined, and features a six groove, right hand, 1:230 mm (9 in) twist.[2] In August 2010, Ruger announced that the rifle would be offered in the 6.8mm Remington SPC cartridge.[4]
Ruger's introduction of the SR-556 was met with some criticism for its high price tag of around US$2,000. Ruger products are usually known for affordability, but the SR-556 is essentially a regular AR-15 albeit with a different, more complicated operating system, unlike cheaper alternatives, like the Smith & Wesson M&P Sport and Sport II model rifles, of which the original Sport model lacked a forward assist and dust cover. The SR-556 was also criticized for its heavier weight than other AR-15s. Ruger addressed these shortcomings by introducing a lighter and less expensive rifle, the SR-556E.[5]
Ruger AR-556 [edit]
Semi-automatic rifle
| Ruger AR-556 | |
|---|---|
 Ruger AR-556 | |
| Type | Semi-automatic rifle |
| Place of origin | United States |
| Production history | |
| Designed | 2014 |
| Manufacturer | Sturm, Ruger & Co. |
| Produced | 2014–present |
| Specifications (Standard) | |
| Mass | 2.9 kg (6.5 lb) |
| Length | 819 mm (32.25 in) (collapsed) 902 mm (35.50 in) (extended) |
| Barrel length | 409 mm (16.10 in) |
| Width | 64 mm (2.5 in) |
| Height | 200 mm (8 in) |
| | |
| Cartridge | 5.56x45mm/.223 Remington |
| Barrels | 1:410 millimetres (16 in) |
| Action | Gas-operated, rotating bolt |
| Feed system | 10- or 30-round detachable box magazine |
In September 2014, Ruger announced the AR-556, a variant that uses traditional direct impingement action, intended to compete with other entry-level AR-15s. It was produced to compete with other AR-15 models, including the Smith & Wesson M&P15 Sport.
In March 2019, the company announced a pistol version with a 10.5-inch barrel, and an SB Tactical stabilizing brace.[6] [7]
Use in shootings [edit]
There have been 5 known shootings in recorded history involving the Ruger AR-556.
On July 30, 2016, 19-year-old Allen Christopher Ivanov fatally shot three people with a Ruger AR-556 rifle during a house party held by students of the University of Washington and Kamiak High School in Mukilteo, Washington, United States.[8]
On November 5, 2017, 26-year-old Devin Patrick Kelley fatally shot 26 people and wounded 20 others with a Ruger AR-556 rifle at a church in Sutherland Springs, Texas, United States.[9]
On March 15, 2019, 28-year-old Brenton Harrison Tarrant fatally shot 51 people and wounded 40 others at two mosques in Christchurch, New Zealand, with several weapons. One of them was identified as a Ruger AR-556 rifle.[10]
On March 22, 2021, 21-year-old Ahmad Al Aliwi Al-Issa fatally shot 10 people with a Ruger AR-556 pistol at a King Soopers supermarket in Boulder, Colorado, United States.[11]
On April 15, 2021, 19-year-old Brandon Scott Hole fatally shot eight people and wounded four others with a Ruger AR-556 rifle and another AR-15 style rifle at a FedEx facility in Indianapolis, Indiana, United States.[12]
Gallery [edit]
-
Firing the Ruger SR-556
-
Adjustable gas key on Ruger SR-556 piston rifle
-
Elements of Ruger SR-556 gas system
-
Top: Bolt and carrier for Ruger SR-556 gas piston rifle
Lower: Bolt and carrier for direct impingement AR 15 Rifle.
See also [edit]
- Ruger Mini-14
- Ruger 10/22
References [edit]
- ^ a b c d e "Ruger SR-556". Sturm, Ruger, and Co., Inc. Archived from the original on January 15, 2013. Retrieved December 9, 2012.
- ^ a b Gilbert, Glenn M., Ruger's SR-556: Ready To Run, Right Out Of The Box, American Rifleman, October 2009
- ^ Sweeney, Patrick (2010). "The Ruger SR-556". Gun Digest Book of the AR-15. Gun Digest Books. p. 131. ISBN978-1-4402-1376-2.
- ^ "Ruger SR-556 Semi-Auto Rifle Chambered for the 6.8mm SPC Cartridge". www.gunblast.com . Retrieved April 17, 2018.
- ^ Cumpston, Mike. "Ruger's SR-556E 5.56mm NATO". Guns. Vol. 51 no. 12. p. 56.
- ^ "Ruger® AR-556® Pistol Centerfire Pistol Models".
- ^ "Announced: Ruger AR-556 Pistol Chambered in 300 Blackout". July 15, 2019.
- ^ Osberg, Molly (August 29, 2018). "The Story of a Gun". Jezebel . Retrieved August 29, 2018.
- ^ Smith, Aaron (November 6, 2017). "What we know about the rifle used in the Texas church massacre". CNN Money . Retrieved March 24, 2021.
- ^ Pg. 39
- ^ Bogel-Burroughs, Nicholas; Gross, Jenny; Pérez-Peña, Richard; Saul, Stephanie; Goldman, Adam (March 23, 2021). "Suspect Charged With 10 Counts of Murder in Boulder, Colo., Shooting". The New York Times . Retrieved March 31, 2021.
- ^ Robertson, Campbell (April 19, 2021). "Authorities Did Not Try to Use 'Red Flag' Law for Indianapolis Gunman". The New York Times . Retrieved April 20, 2021.
External links [edit]
- Ruger official website
Ruger Ar-556 Black Ar-15 .223 / 5.56 Nato 16.1-inch 30rd Â⫠Back to Main Product Info
Source: https://en.wikipedia.org/wiki/Ruger_SR-556
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