Ruger AR-556 5.56 NATO Semi-Auto Rifle, 16 in Cold Hammer-Forged Barrel, 1:8 Twist, 2017 Production
This 2017 Ruger AR-556 stands out with a cold hammer-forged 16-inch 4140 chrome-moly steel barrel, forged 7075-T6 receivers, and a carbine-length gas system. It is marked AR-556 with SAFE/FIRE selector legends and was manufactured in Mayodan, North Carolina, USA. The rifle is in very good overall condition with an excellent, mirror-bright bore and includes one 30-round magazine.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are minimal markings from previous handling and use. The bore is bright and clean. See photos for additional context.
What’s Included
- Ruger AR-556 5.56 NATO semi-automatic rifle
- One 30-round polymer AR-15 pattern detachable magazine
The 16-inch barrel is cold hammer forged from 4140 chrome-moly steel and features a medium contour, black-oxide finish, and a 1:8 RH twist. It uses a carbine-length gas system and a pinned A2-style front sight base that serves as the gas block.
The rifle uses forged 7075-T6 aluminum receivers with a Type III hard-coat anodized finish in black. The flat-top upper provides a Picatinny rail and includes a forward assist and an ejection-port cover. Selector markings are SAFE/FIRE and the model is marked AR-556.
Furniture includes carbine-length, two-piece ribbed polymer handguards with a delta ring, a 6-position M4-style collapsible stock with Ruger logo, and an A2-style pistol grip. Length of pull is 13.5 inches.
Sighting is handled by an A2-style fixed front sight base and a Ruger Rapid Deploy polymer flip-up rear sight. The rifle features a standard charging handle, a manual safety, and a 30+1 capacity in 5.56 NATO.