Ruger SR-556
Ruger SR-556 — documented specs: caliber 5.56x45 NATO · .223 Rem., barrel length 409 mm (16.1 in), overall length 787–914 mm (30.98–35.98 in), capacity 10–30. The source for each figure is listed below the specs (catalog as of 10/16/2026).
- Category
- Semi-auto rifles
- Classification (DE)
- Long firearm
- Designed
- 2009
- Origin
- United States
- Calibers
- 5.56x45 NATO · .223 Rem.
Derived from design and catalog dimensions under the German WaffG, Annex 1 Sec. 1 Subsec. 1 No. 2.5; the individual gun is what counts.
Also known as: Ruger SR556 · Ruger SR-556 · SR556 · SR-556C
Specifications
- Action
- Gas piston
- Barrel length
- 409 mm (16.1 in)
- Overall length
- 787–914 mm (30.98–35.98 in)Depending on variant · varies by model
- Capacity
- 10–30Depending on variant · magazine · varies by model
- web.archive.org — product page ruger.com/products/sr556/specSheets/5902.html (version of 11/09/2009)
- web.archive.org — product page ruger.com/products/sr556/specSheets/5904.html (version of 01/29/2010)
- web.archive.org — product page ruger.com/products/sr556/specSheets/5905.html (version of 05/16/2010)
Sources
- en.wikipedia.org — article Ruger SR-556 (version of 07/02/2026)
- web.archive.org — product page ruger.com/products/sr556/specSheets/5902.html (version of 11/09/2009)
- web.archive.org — product page ruger.com/products/sr556/specSheets/5904.html (version of 01/29/2010)
- web.archive.org — product page ruger.com/products/sr556/specSheets/5905.html (version of 05/16/2010)
Specifications come from the source cited alongside them; counts are based on our catalog as of the date stated. Not legal advice: what follows from these figures in a given country is decided by that country’s law. Waffenschrank is not affiliated with the manufacturers named.
Other models in 5.56x45 NATO
Models from other manufacturers in the same caliber, drawn from the catalog in no particular order — not a recommendation and not a comparison of specs.
- Semi-auto riflesSIG Sauer SIG516
- History & service armsZastava M21
- Semi-auto riflesBushmaster Bravo Zulu
Related
- Calibers of this model5.56x45 NATO
- Calibers of this model.223 Rem.
- Related modelsRuger AR-556
- Related modelsRuger Harrier
- Gun catalogAll models by Ruger
- KnowledgeInventory, valuation and insurance
- KnowledgeGuides
Catalog as of