Buy Ruger AR-556 5.56mm NATO Semi-Auto Rifle with Robins Egg Blue Cerakote Finish Online

• Manufacturer: Ruger
• Model: AR-556
• Model Number: 8517
• Caliber: 5.56 NATO
• Weight: 6.50 lbs.
• Length: 32.25 – 35.50 in.
• Length of Pull: 10.25 – 13.50 in.
• Width: 2.50 in.
• Height: 8.00 in. (Without Magazine)
• Capacity: 30-Rounds
• Buttstock: Six-Position Telescoping / Mil-Spec Buffer Tube / Robin’s Egg Blue Cerakote Finish
• Handguards: Heat Resistant Glass-Filled Nylon / Robin’s Egg Blue Cerakote Finish
• Grip: Ergonomic Improved Trigger Reach / Enlarged Trigger Guard Opening
• Sights: Elevation Adjustable Front / Windage Adjustable Ruger® Rapid Deploy Folding Rear (Front Sight Tool Included)
• Upper Receiver: Flat Top 7075-T6 Aluminum Forging / Forward Assist Dust Cover and Brass Deflector / Robin’s Egg Blue Cerakote Finish
• Lower Receiver: 7075-T6 Aluminum Forging / Type III Hard Coat Anodized
• Bolt Carrier Group: Staked Gas Key / Chrome Plated Bolt Carrier ID and Gas Key ID / Matte Black Oxide Finish
• Bolt: 9310 Alloy Steel / Shoot Peened / PT Tested
• Barrel:
  16.10 in. Medium Contour
  Cold Hammer-Forged 4140 Chrome-Moly Steel
  1:8 Twist Stabilizes Bullets from 35 to 77 Grain
  M4 Feed Ramp Cuts
  PT Tested
  Threaded ½ – 28 with Ruger Flash Suppressor
  Barrel Contour is.850 Under the Handguard.750 Under the Gas Block .700 Forward of the Gas Block
  Matte Black Oxide Finished
• Gas Block:
  A-2 F-Height Pinned in Place
  Multiple Sling Attachment Points and with QD Port and Bayonet Lug
  Machined Low-Glare Serrations on Angled Face
• Barrel Nut/Delta Ring:
  Patent Pending Design
  One Person Removal
  Accepts Standard Handguards
  Uses Standard Wrench Can be Swapped with a Mil-Spec Nut if Desired