Ruger AR-556 AR-15 Semi Auto Rifle 5.56 NATO 16" Barrel 30 Rounds 13.5" M-LOK Hand Guard 2-Stage Ruger Trigger B5 Stock/Pistol Grip Matte Black

Item No. GUN-8542
Ruger AR-556 AR-15 Semi Auto Rifle 5.56 NATO 16" Barrel 30 Rounds 13.5" M-LOK Hand Guard 2-Stage Ruger Trigger B5 Stock/Pistol Grip Matte Black
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Brand: Ruger
MFR #: 8542
UPC: 736676085422
Item #: GUN-8542
Typically ships within 1 to 2 business days when a valid FFL is received
  • All firearm sales are final. NO RETURNS.
  • Return to manufacturer for warranty service.
  • Actual buyer must pickup from FFL dealer who will conduct the background check. Learn more
  • Firearm transfer must be the actual transferee/buyer. Click here to see BATFE form "Transaction Record Part 1".
  • Firearms are only available for purchase online.

A $15.99 handling fee will be charged per order. No additional charge for multiple firearms on an order.


Accurate and Dependable Ruger AR-556 5.56 NATO AR-15 Semi-Automatic Rifle

The Ruger AR-556 is a distinct combination of Ruger innovation and B5 furniture. The AR-556 MPR features a 13.5" free-float M-Lok compatible handguard along with a B5 Bravo stock and B5 Type P23 pistol grip. The barrel is a 16.1" 4140 chrome-moly steel barrel that has been cold hammer forged and features a 1:8" right-hand twist rate. Additionally, this rifle features a rifle-length gas system along with a pair of forged 7075-T6 aluminum upper and lower receivers. The Ruger AR-556 provides you with an exceptional value that can't be overlooked. All backed by an amazing Ruger warranty, which is second to none in the industry.

Ruger AR-556 Features and Specifications:

  • Caliber: 5.56 NATO (Accepts .223 Remington)
  • 18" 4140 Chrome-Moly Steel Cold Hammer Forged Barrel
  • 1:8" Twist Rate
  • Five Groove Rifling
  • Muzzle Threaded 1/2-28 TPI
  • 30-Round Magazine
  • Carbine-Length Gas System
  • 13.5" Free-Float M-Lok Compatible Handguard Mil-Spec Diameter Buffer Tube
  • Magpul MOE Pistol Grip
  • Magpul MOE SL Collapsible Stock
  • Lower/Upper Are Made from Aerospace-Grade 7075-T6 Aluminum Forgings
  • Flattop Upper Receiver with Forward Assist, Dust Cover, Brass Deflector
  • Bolt Is Machined from 9310 Alloy Steel
  • Ruger Elite 452 AR-Trigger (Two-Stage Trigger)
  • Chrome-Plated Bolt Carrier/Gas Key
  • Ruger Muzzle Brake
  • Type III Hard-Coat Anodized Finish
  • Matte Black
Buying a Firearm Online is Easy!
  • Add your selected firearm(s) to your shopping cart and check out.
  • Select a local Federal Firearms Licensed (FFL) Dealer that will accept the firearm and complete the transfer. Find a FFL Dealer HERE.
  • If you choose an FFL Dealer that is not on our preferred list, you or your FFL Dealer will be required to fax or email us a signed copy of the Federal Firearms License referencing your Cheaper Than Dirt! order number. Download the Firearm Sales Form
  • Pick up your firearm from the FFL Dealer, who will need to do a criminal and mental health background check. Transfer fees may apply.
Buying Firearms on the Internet

Federal law requires firearms to be shipped to FFL Dealers. For an individual to receive a firearm from Cheaper Than Dirt! it must be shipped to an FFL Dealer in your state.

Locating a Federal-Firearm License Dealer (FFL) in Your Area

There are thousands of FFL Dealers in the United States. You may choose an FFL Dealer from our preferred listing or you may find a dealer in your area. To find a list of FFL Dealers in your area area CLICK HERE. If you choose a dealer that is not on our preferred list, either you or the FFL Dealer will be required to submit a copy of the Federal Firearms License referencing your Cheaper Than Dirt! order number. The FFL Dealer will usually charge a fee to conduct the transfer. There are duties that the FFL Dealer is required to do during the process which include a criminal and mental health background check through NICS. Remember, the FFL Dealer is doing you a favor and the process takes time to complete. Fees can vary so check with the FFL Dealer ahead of time to request a quote on the fees associated with your firearm transfer. The FFL Dealer is in business to make a profit and your internet purchase may be viewed as competition to their retail business. If you feel the fees are too high, you can search for another FFL Dealer.

Completing the Transaction

Once you place the firearm in your cart and checkout you will receive a confirmation email that has your order number and further instructions. We will verify the FFL license and also make the FFL Dealer aware that an order from Cheaper Than Dirt! will soon be arriving for you. Most orders are processed within 2-3 business days from the time we receive and verify the FFL Dealers information. Once shipped, your firearm will arrive at the FFL Dealer within 3-7 days business days. The FFL Dealer will begin processing the shipment. It may be an additional day or so before the FFL Dealer is ready to conduct the transfer of the firearm to you. Call the FFL Dealer and set an appointment to confirm that the firearm is ready to be transferred.

Please note! All Firearm Sales are Final

It is important to thoroughly inspect your firearm before completion of the transfer. Once the firearm is transferred into your name, Cheaper Than Dirt! will not accept a return or exchange under any circumstance. If a defect is discovered after completing the transfer, you must contact the manufacturer directly for repair or replacement.

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