Description
Product Features & Specifications
Ruger 8511 AR-556 *CO/MD Compliant 5.56x45mm NATO 10+1 16.10″ Heavy Contour Barrel, Hard Coat Anodized 7075-T6 Aluminum Forgings, 6 Position Stock, Mil-Spec Buffer Tube, Flat Top Receiver, Optics Ready
Ruger’s AR-556 is made from 7075-T6 hard-coat anodized aluminum forgings, shot-peened and proof-tested 9310 steel bolt, and 8620 steel bolt carrier.Its barrel nut and delta ring allow easy, one-person service of the heat-resistant glass-filled nylon handguard.
The design accepts most standard carbine-length handguards.Handguards are made from heat-resistant glass-filled nylon for shooting comfort and durability.
The gas block is located at a carbine-length (M4) position for improved balance and handling.Serrations on the angled face of the gas block provide a low-glare surface.
A single-stage trigger provides durable and reliable fire control.Rapid Deploy folding rear sight provides windage adjustability and pairs with the A2-style, F-height, elevation-adjustable front sight for a solid, reliable aiming system.
The AR-556 also features a cold hammer-forged alloy barrel and ergonomic pistol grip with an extended trigger reach for more precise trigger control.Included is a front sight tool.
| Brand | Ruger |
| Series | *CO/MD Compliant |
| Model | AR-556 |
| Caliber | 5.56x45mm |
| Barrel Length Range | 16″ to 16.99″ |
| Gun Platform | AR-Style |
| Operating System | Direct Impingement |
| Stock Finish Group | Black |
| Capacity | 10+1 |
| Stock Material | Synthetic |
| Action | Semi-Auto |
| OAL | 32.25″- 35.50″ |
| Hand | Right Hand |
| Sights | Adj Front & Rear |
| Barrel Finish | Matte Black Oxide |
| Muzzle | Flash Suppressor |
| Twist | 1:8″ |
| Magazine Type | AR-15 |
| Grips | Black Polymer |
| Includes | Sight Tool |
| Receiver Material | 7075-T6 Aluminum |
| Safety | Lever |
| Thread Pattern | 1 / 2″x28 |
| Stock | 6 Position |
| Barrel | Steel |
| Barrel Length | 16.10″ |
| Length of Pull | 10.25″-13.50″ |
| Max Capacity | 10 |
| Receiver Finish | Black Hard Coat Anodized |
| Trigger | Single-Stage |
| Weight | 6.70 lbs |
| Stock Finish | Black |
| SKU | 34869 |
| UPC | 736676085118 |
| MPN | 8511 |









