Sturm, Ruger & Company · Carbine · In Production · 2014
| Weight (empty) | 2948 g (104.0 oz) |
| Overall Length | 914 mm (35.98") |
| Barrel Length | 409 mm (16.10") |
| Magazine Capacity | 30 rounds |
| Action Type | Gas Operated Direct Impingement |
| Firing Mechanism | Hammer Fired |
| Muzzle Velocity | 905 m/s (2969 fps) |
| Muzzle Energy | 1640 J (1210 ft·lbf) |
| Effective Range | 500 m (547 yd) |
| Frame Material | Aluminum Alloy |
Primary Caliber: 5.56x45mm NATO
The Ruger AR-556 is an entry-level AR-15 carbine introduced in 2014 as Ruger's first foray into the modern sporting rifle market. Designed to provide reliable performance at an accessible price point, the AR-556 features a 16.1-inch medium-contour cold-hammer-forged barrel constructed from 4140 chrome-moly steel with a 1:8 twist rate that stabilizes bullets from 35 to 77 grains. The barrel includes M4 feed ramp cuts and is threaded 1/2-28 with a Ruger flash suppressor. Weighing 6.5 pounds empty,...
Country of Origin: United States