Sturm Ruger AR-556 5.56 NATO Semi-Auto Rifle - 16 in Cold Hammer-Forged Threaded Barrel, A2 Front Sight, 30+1 - 2021 - Includes 3 30-Rd Mags
This 2021 Ruger AR-556 is a U.S.-made, AR-15–platform rifle built on forged 7075-T6 receivers with a Type III hard-coat anodized finish. It features a 16 in cold hammer-forged chrome-moly steel barrel threaded 1/2x28 with an A2-pattern birdcage flash suppressor, a flat-top Picatinny upper receiver, and a carbine-length gas system. It ships with three 30-round Amend2 magazines and retains its factory iron sights, including the fixed A2 front sight tower and Ruger Rapid Deploy flip-up rear sight.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Light handling marks are present from prior use. The bore is bright and clean. See the photos for close-up views.
What's Included
- Sturm Ruger AR-556 5.56 NATO semi-automatic rifle
- Three 30-round Amend2 AR-15 polymer magazines (STANAG pattern)
The 16 in barrel is cold hammer-forged from chrome-moly steel for durability and consistent bore dimensions. It is threaded 1/2x28 and fitted with an A2-pattern birdcage flash suppressor. The 1:8 RH twist rate is designed to stabilize a wide range of 5.56mm projectiles.
The rifle uses a semi-automatic, direct-impingement operating system with a carbine-length gas system. Both upper and lower receivers are forged 7075-T6 aluminum with a Type III hard-coat anodized finish for wear resistance.
The flat-top Picatinny upper receiver includes a forward assist, brass deflector, and ejection port cover. Sighting is handled by a fixed A2-style front sight tower paired with a Ruger Rapid Deploy flip-up rear sight.
Furniture includes a six-position collapsible stock with a rear sling loop, an A2-style polymer pistol grip, and a two-piece ribbed polymer carbine-length handguard. The rifle accepts STANAG-pattern magazines for a 30+1 capacity and includes three 30-round Amend2 magazines. Additional details include a manual safety, a 10.25 in length of pull, and manufacturing at Mayodan, North Carolina, USA.