Ruger SR-556 5.56/.223 16″ Semi-Auto AR-15 Sporting Rifle Piston DrivenRuger SR-556 5.56/.223 16″ Semi-Auto AR-15 Sporting Rifle Piston Driven

SOLD FOR: $830

WOA#: WY230722WB001

Make: Ruger

Model: SR-556

Serial Number: 590-53548

Year of Manufacture: 2013 (https://ruger.com/dataProcess/serialHistory/)

Caliber:5.56/.223

Action Type:  Semi-Automatic, Two Stage, Piston Driven

Markings: The left side of the receiver is marked with the Ruger Phoenix Logo and “RUGER / NEWPORT, NH USA / SN 590-53548”, “SR-556”, “SAFE FIRE”.  Both sides of the grip are marked with the Ruger logo.  The right side of the upper has a Splintered A Forge Mark.  The right side of the receiver is marked “FIRE SAFE”.  The BCG is marked with a Ruger Logo.  The bottom of the barrel is marked “BEFORE USING READ INSTRUCTION MANUAL / RUGER, NEWPORT, NH USA”. The buttstock is marked “MAGPUL INDUSTRIES CORP.” and “CTR CAGE 1LX50”.  Both sides of the trigger are marked “G”.  The sights are marked with the Ruger Logo.

Barrel Length: 16”. 18” with BirdCage Flash Hider.

Sights / Optics:  The front sight is a low profile flip up post. The rear sight is a low profile flip up aperture sight. The top of the rifle has an uninterrupted picatinny rail system for all your favorite sights and optics.

Stock Configuration & Condition: The buttstock is a Magpul CTR adjustable buttstock with Ambidextrous QD Mounts, rubber buttpad and sling slots.  The handguard is an SR-556 Full Length Quad Rail System with rubber picatinny covers on the sides and bottom rails.  The pistol grip is an ergonomic rubber molded pistol grip with finger grooves and cobblestone texture for optimum control and comfort.  The trigger has been upgraded to a Geissele trigger.  The LOP measures 13.5” from the front of the trigger to the back of the fully extended buttpad. The stock rates in about Excellent overall condition.

Magazine Quantity & Condition:  The 30rd PMAG M2 in Excellent condition and still sealed in factory packaging.

Type of Finish: Type 3 Anodized Black Hard Coat

Finish Originality: Original

Bore Condition: The bore is bright and the rifling is sharp. There is no visible erosion in the bore.

Overall Condition: This rifle retains about 99% of its metal finish. The balance of the finish shows no operation wear except for on the bolt.  The screw heads are sharp and pins are unmarred.  The markings are clear. Overall, this rifle rates in about Excellent condition.

Mechanics: The action functions correctly. We did not fire this rifle. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.

Box, Paperwork & Accessories: This rifle comes with its factory box and soft case, a total of one magazine, and a Ruger Grip panel.

Our Assessment:The Ruger SR-556 is a piston-driven AR-15 style semi-automatic rifle that brings Ruger’s reputation for durability and reliability into the tactical rifle arena. Chambered in 5.56 NATO, this firearm is designed to deliver consistent performance with a focus on reducing the fouling and heat typically associated with traditional gas-impingement systems. The piston system allows for cleaner, cooler operation, enhancing the rifle’s longevity and reducing the need for frequent cleaning and maintenance.

Built with a cold hammer-forged barrel for superior accuracy, the SR-556 also features a quad-Picatinny rail handguard, offering ample space for optics and accessories like foregrips, lights, or lasers. The two-stage piston system has a four-position gas regulator, enabling the shooter to adjust the rifle for different types of ammunition or suppressor use. This adaptability makes it a versatile choice for various shooting conditions.

In summary, the Ruger SR-556 provides a robust and reliable option for those looking for a piston-driven AR-15. Its versatility, combined with features tailored for performance and comfort, make it suitable for both enthusiasts and professionals alike. Whether it’s for home defense, hunting, or range shooting, the SR-556 stands as a well-engineered firearm that exemplifies Ruger’s commitment to quality and innovation.

Ruger SR-556 5.56/.223 16" Semi-Auto AR-15 Sporting Rifle Piston Driven
Ruger SR-556 5.56/.223 16″ Semi-Auto AR-15 Sporting Rifle Piston Driven