Ruger AR-556 5.56mm NATO 16" Semi-Auto Rifle with Free-Float M-LOK Handguard and Sightmark Red Dot
This Ruger AR-556 is a 2019-produced AR-15 platform rifle in 5.56mm NATO with a 16" barrel and a free-float aluminum M-LOK handguard. It features a flat-top upper with a Picatinny top rail, a collapsible stock, and a Ruger-branded pistol grip. This example includes a mounted Sightmark Z Series green illuminated red dot optic and one 30-round Magpul PMAG Gen M3 magazine.
CONDITION
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Specific Condition Notes: The rifle shows some mild wear consistent with use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
WHAT'S INCLUDED
- Sightmark Z Series green illuminated red dot optic (mounted on the rifle's top rail)
- 1x 30-round Magpul PMAG Gen M3 (5.56x45) polymer magazine
Built around Ruger's AR-556 receiver set, this rifle is marked with the Ruger phoenix logo and "RUGER", along with "MAYODAN, NC USA" and the model marking "AR-556". The upper is a flat-top configuration with a Picatinny rail, and it includes both an ejection port cover and forward assist.
The free-float M-LOK handguard is aluminum and features raised "RUGER" marking. A 1:8 twist barrel is paired with a muzzle device with longitudinal slots, and the rifle is finished in matte black across the receiver and overall exterior.
Controls are straightforward and familiar, with a SAFE/FIRE manual selector and direct impingement operating system. Ergonomics are set up with a collapsible stock, a 13.0 length of pull, and a Ruger-branded pistol grip.
The included Sightmark Z Series green illuminated red dot optic is mounted to the rifle's top rail, with no iron sights visible. With a stated capacity of 30+1 and one 30-round magazine included, this package is set up for a simple, ready-to-run configuration.