Ruger AR-556 5.56 NATO M4 Flat-Top Autoloading Rifle

About this product

Firearm Specifications,Manufacturer: Ruger Model: AR-556 Model Number: 8500 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 Handguards: Heat Resistant Glass-Filled Nylon 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 / Type III Hard Coat Anodized 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   Firearm Specifications,Manufacturer: Ruger Model: AR-556 Model Number: 8500 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 Handguards: Heat Resistant Glass-Filled Nylon 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 / Type III Hard Coat Anodized 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