The Ruger AR-556 is chambered in 5.56 NATO with M4 feed ramps provide improved operational reliability. The cold hammer-forged barrel has ultra-precise rifling for exceptional accuracy, longevity, and easy cleaning. Its upper receiver is forged from 7075-T6 aluminum and includes a forward assist, dust cover, and brass deflector. It has a Bravo B5 style black synthetic buttstock and Mil-Spec buffer tube.
| UPC | 736676085422  | 
		
|---|---|
| Manufacturer | Ruger / Sturm, Ruger & Co.  | 
		
| Manufacturer Part Number | 8542  | 
		
| Capacity | 30  | 
		
| Length | 41.2500  | 
		
| Caliber/Gauge | .223 REM/5.56 NATO  | 
		
| Barrel Length | 16.1000  | 
		
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA  | 
		
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND  | 
		
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON  | 
		
| ATF Type | MODERN SPORTING RIFLE  | 
		
| State Restriction (IL) | NO SALE TO ILLINOIS PICA  | 
		
| Sights | No  | 
		
| Action | Semi-Auto  | 
		
| Rate of Twist | 1:8"  | 
		
| State Restriction (OR) | NO SALE TO OREGON  | 
		
| Product Type | AR  | 
		
| Model | AR-556  | 
		
| Barrel Finish | Matte Black Oxide  | 
		
| Number of Magazines | 1 / 30 rd. Magpul PMag  | 
		
| Thread Pattern | 1/2"-28 tpi  | 
		
| Package Width | 10.4  | 
		
| Package Height | 3.0  | 
		
| Shipping Weight | 8.75  |