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Ruger AR-556 Centerfire Rifle

Item # UF104471873
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  • Firearms shipping charge of $25.00 per item.
  • You must be at least 18 years old to purchase this item. State and local laws may vary.
  • Additional discounts do not apply.


  • Action - Semi-Auto

  • Caliber - .223 Rem./5.56 NATO

  • Barrel Length - 16"

  • Weight - 6.8 Lbs.

  • Sights - Adj. A2 Post/Adj. Flip-Up

Product Summary

The AR-556 is an affordable, American-made modern sporting rifle with the rugged reliability that you have come to expect from Ruger. Every AR-556 has a cold hammer-forged barrel with ultra-precise rifling, which provides exceptional accuracy and longevity and easy cleaning. M4 feed ramps provide improved operational reliability and the matte black oxide finish reduces glare and provides corrosion resistance. A Ruger flash suppressor is provided and the 1/2”-28 threaded barrel allows for standard muzzle accessories to be installed. Made from aerospace-grade 7075-T6 aluminum forging, the flattop upper receiver includes a forward assist, dust cover and brass deflector, and is Type III hard coat anodized for maximum durability. The six-position telescoping M4-style buttstock and Mil-Spec buffer tube allow the rifle to be properly sized for different shooters or varying levels of outerwear.

Ruger’s Rapid Deploy folding rear sight provides windage adjustability, and pairs with the elevation adjustable front sight for a solid, reliable aiming system. The rear sight can be folded out of the way to make room for optics, but can be instantly redeployed if needed. The AR-556 single-stage trigger provides durable and reliable fire control. The enlarged trigger guard is designed to allow gloved shooting. Other features include: a chrome-plated bolt carrier, a milled gas block, and QD sling points. This rifle comes with the original factory box. Its stock, metal, and bore are all in very good condition.

Model AR-556
Type Centerfire Rifle
Action Semi-Auto
Caliber .223 Rem./5.56 NATO
Barrel Length 16"
Weight 6.8 Lbs.
Sights Adj. A2 Post/Adj. Flip-Up
Finish: Stock Matte Black Synthetic
Finish: Barrel & Receiver Matte Black
Trigger Single Stage
Safety 2-Position Thumb
Capacity 1 x 30-Round Magazine
Stock Condition Very Good
Metal Condition Very Good
Bore Condition Very Good
Length of Pull Adjustable


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