Ruger SR-556 Takedown Semi-Auto Rifle (Keymod Rail)
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Ruger® SR-556® Takedown Semiautomatic Tactical Rifle


  • Tool-free takedown design simplifies cleaning and transport
  • Reliable two-stage, piston-driven performance
  • Four-position, chrome-plated gas regulator
  • Cold hammer-forged mil-spec 41V45 barrel
  • Ruger Elite 452 AR two-stage trigger
  • Magpul MOE grip and MOE SL collapsable buttstock
  • Keymod Rail
  • Comes with three Magpul PMAG 30-round magazines
  • Includes ballistic nylon case, three rail covers and lock


The fast-and-easy tool-free takedown design of Ruger’s SR-556 Takedown Semiautomatic Tactical Rifle simplifies cleaning and transport. Remove the barrel from the upper by simply moving the slider bar towards the breech while rotating. Installation is even easier, just slide the barrel in and twist for a rock-solid lock.


Chrome-plated, two-stage, piston-driven operating system offers improved dependability over gas-driven rifles. Four-position, chrome-plated gas regulator allows the shooter to tune the rifle to specific ammunition or conditions. Gasses are vented out the bottom of the gas block and away from the bolt carrier resulting in a contamination-free action.


Ruger’s Elite 452™ AR two-stage trigger breaks at a crisp 4.5-lbs. and locks the lightweight hammer 30% faster than standard MSR triggers. Cold hammer-forged, mil-spec 41V45 barrel delivers consistent accuracy. Six-position, telescoping Magpul MOE SL M4-style buttstock can be used to adjust length of pull. Precision rifled chrome lined barrel. Front and rear folding iron sights. Includes Ruger flash suppressor.


Additional Information
Manufacturer Ruger
Model SR-556
Type  Rifle: Semi-Auto
Caliber 5.56mm NATO
Capacity  30+
Receiver/Stock Black Synthetic Collapsible
Barrel Mil-Spec 41V45 Chrome-moly-vanadium steel barrel
Barrel Length 16.12″
Overall Length 32.75″ Retracted; 36″ Extended
Weight 7.1 lbs.

Additional Information Content


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