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Ruger SR-556 Standard Piston Upper Receiver 5.56mm NATO/.223 Rem 16.12" Threaded Barrel Sampson Folding Sights

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Ruger
90356
736676903566
8-RUG-90356
Ships from Warehouse 8
Typically ships within 1 to 2 business days.
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  • DESCRIPTION
  • REVIEWS
The SR-556 Upper Receiver comes from the factory with a plethora of parts that are popular aftermarketadd-ons to the traditional AR platform. This upper features an adjustable two stage gas piston system that significantly reduces the amount of fouling introduced to the receiver. The piston and gas tube are both hard chromed to ensure long life and reliability. In fact chrome seems to be a common thread with the SR-556 upper. The bolt carrier, gas regulator, and barrel (hammer forged in-house from Mil-Spec 41V45) are all chromed. The barrel is available threaded or with permanent flash hider. Also featuring folding detachable iron sights, and quad rail forearm.

Specifications and features:
Ruger SR-556 upper receiver
5.56mm NATO/.223 Remington
16.12" threaded barrel with 1:9" twist
Sampson Folding Sights
Manganese phosphate/hard-coat anodized finish
The bolt carrier, gas regulator, and barrel (hammer forged in-house from Mil-Spec 41V45) are all chromed.
 
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