Ruger AR-556 M4 Flat-Top 16″ 5.56 NATO, Black/FDE
1 in stock
Description
This Pre-Owned Ruger AR-556 is a semi-automatic M4-style carbine chambered in 5.56 NATO, built on Ruger's flat-top upper and sold as a working-grade AR that leaves the shooter room to configure it. The 16 inch barrel and carbine-length gas system keep the balance familiar to anyone who has run a standard M4 pattern rifle, which makes it a sensible choice for range work, training classes, and home defense roles.
This example wears Magpul furniture in Flat Dark Earth against the black receiver and barrel, paired with a pop-up folding rear iron sight that drops out of the way when an optic goes on the rail. It shows the handling marks and finish wear consistent with normal use, with nothing observed that affects function.
Ruger AR-556 Features
- Flat-top upper receiver with a full-length optics rail, leaving the shooter free to mount a red dot or LPVO without giving up the iron sights
- Pop-up rear sight that folds flat under an optic and snaps back up when it is needed as a backup
- Magpul Flat Dark Earth furniture, including a collapsible carbine stock that adjusts length of pull for different shooters and layers of gear
- 7075-T6 aluminum forged receivers with a hard coat anodized finish for corrosion resistance and long service life
- 5.56 NATO chamber, which allows both 5.56 NATO and .223 Remington ammunition
- Muzzle threaded 1/2-28 for standard muzzle devices
Specifications
- Condition: Pre-Owned
- Manufacturer: Ruger
- Model: AR-556 M4 Flat-Top
- Caliber: 5.56 NATO
- Operating System: Semi-Automatic
- Frame Material: 7075-T6 Aluminum Forging
- Barrel Length: 16"
- Muzzle Thread: 1/2-28
- Magazines/Capacity: 30-Round Capacity
- Sight Type: Pop-Up Folding Rear Iron Sight
- Furniture: Magpul, Flat Dark Earth
- Finish Type: Black Receiver and Barrel, FDE Furniture
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