Ruger AR556 Standard 5.56 NATO/.223 Remington Rifle

Item No. 73667608500


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Product Description


The Ruger AR-556® Rifle 5.56 NATO is a semi-automatic rifle designed in the style of an AR-15. This AR rifle is constructed with aersopace-grade aluminum forgings and heat-resistant nylon for enhanced durability. This rifle is optimized for comfortable shooting, featuring an ergonomic grip and telescoping stock that allows each shooter to adjust the overall length of the rifle to better suit them. The bolt carrier and gas key are chrome-plated to provide greater resistance to the hot gases produced during firing. The gas block on this 5.56 NATO rifle is positioned at carbine-length to better balance the gun for improved handling and maneuverability.  A Ruger Rapid Deploy rear sight allows for quick adjustment for better accuracy, while the hammer-forged barrel reduces resistance for a faster, flatter shot to keep your shots on target. Capable of firing both 5.56 NATO and .223 Rem rounds, this centerfire rifle offers versatility. Engineered for reliable and accurate performance, the Ruger AR-556® 5.56 NATO Rifle delivers comfortable, maneuverable shooting in the classic style of an AR-15.


  • Includes 30-round Magpul PMAG®
  • Aerospace-grade 7075-T6 aluminum forging
  • Single-stage trigger provides reliable fire pulling
  • Chambers both 5.56 NATO and .223 Rem. rounds
  • Heat-resistant nylon construction for comfort and durability
  • Ruger Rapid Deploy folding rear sight allows windage adjustment
  • Six-position telescoping M4-style buttstock for adjustable length of pull
  • Gas block at carbine-length position for improved balance and handling
  • Chrome-plated bolt carrier and gas key provide improved resistance to hot gases
  • Ergonomic pistol grip features an extended trigger reach for more precise trigger control
  • Cold hammer-forged barrel with precision rifling reduces resistance and provides exceptional accuracy


  • Caliber: 5.56 NATO
  • Capacity: 30
  • Height: 8 in.
  • Barrel Length: 16.10 in.
  • Length of pull: 10.25-13.5 in
  • Overall length: 32.25-35.5 in.
  • Weight: 6.5 Ibs.
  • Grooves: 5
  • Rate of twist: 1:8"
  • Thread pattern: ½" - 28
  • Stock: Black synthetic
  • Receiver finish: Hard coat anodized

Customer Reviews

4.9 / 5.0
18 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Great and accurate
Just put a binary trigger on mine!!!
July 8, 2020
2 months ago
Happy with this purchase.
Very nice rifle, I’ve only shot about 50 rounds so far but everything was great.
June 24, 2020
2 months ago
You will Love it !!!!!!!
This is my first Rifle and I am so excited about it. I have research this rifle about 2 months or maybe 3 months to see if it's right for me I have went to the gun store to check it out and instant love it. If you are looking for a entry level rifle this is what you are looking for if you are looking to upgrade. It will give you more excitement and make it your one ways in long run. You wont regret it ⭐⭐⭐⭐⭐⭐
User submitted image
Added Jun 12, 2020
June 12, 2020
My New Baby
Finally, got me an AR 15. After carrying an M16 then M4 for 20+ years in the military, there pretty much the same. Love my new baby, can't wait to put sound rounds through it. Rail, Optics & Flashlight is next. (Staff was excellent)
User submitted image
Added May 14, 2020
May 14, 2020
My First Rifle
Bought this recently as my first rifle and it’s perfect! Fun to shoot, not too much recoil and looks great! Very happy with the gun and the price.
May 1, 2020
4 months ago
1st AR - Perfect fit!
So, the gun came in the box with WAY TOO MUCH OIL on it. In the barrel, too. Had a friend of mine help me clean it up. Now. Other than the oil... this gun is perfect for my wife and I as our first AR. Hardly any felt recoil. SUPER accurate. Smooth and very flat shooting. 5 stars, hands down. If you're looking for an entry-level AR, this is it.
April 16, 2020
4 months ago
Ruger AR 556
Great sales experience, very helpful staff. I haven't been to the range yet, tho soon!
Thank you
April 13, 2020
4 months ago
Fantastic! Best service and help before, during and after the sale!
April 4, 2020
4 months ago
Great rifle at a great price
March 11, 2020
5 months ago
Can’t beat the price or platform! Accurate
Got it on sale for $499. Accurate right out of the box! I like that it is kind of like Two rifles in one...Shoots 223 Remington and 5.56 NATO. I will say the 5.56 is a lot more fun to shoot, the only drawback is 5.56 is about twice as expensive as the 223.

Nice platform to start the customized build if you want to use iron sights. If you plan on a scope and co-witness, not a bad deal. If you plan on using a scope and don’t intend to co-witness, buy the flat top model instead.

For $499, it was worth it to to me to remove the front sight and go with a low pro gas block and free floating hand guard.
February 8, 2020
6 months ago