Ruger AR-556 MPR Semi-Auto Rifle

Cartridge or Gauge: .223 Remington/5.56 NATO
Finish: Black


  • Select firearms are now able to be ordered online and shipped to your local Cabela’s! More Info
  • Handguns typically arrive within 2-3 business days and long guns within 4-5 business days.



The Ruger® AR-556® MPR Semi-Auto Rifle operates with direct-impingement and a rifle-length gas system. The lower receiver comes equipped with a Magpul® MOE® pistol grip and a MOE SL™ 6-position, collapsible buttstock on a Mil-Spec buffer tube. Upper and lower receivers are CNC-machined from 7075-T6 aluminum forgings and Type III hard-coat anodized for maximum durability. A 15″ free-float, M-LOK® handguard features accessory attachment slots at 3:00, 6:00 and 9:00 positions, and a continuous Picatinny rail interface with the flat-top, railed, upper receiver. The upper receiver features a forward assist, dust cover, and brass deflector. A Ruger® Elite 452® 2-stage, AR-Trigger offers a smooth, crisp break at approximately 4.5 lbs. The bolt carrier and gas key have chrome-plated inside diameters to provide exceptional resistance to hot gases; and the gas key is securely staked to prevent loosening during extensive fire. The cold hammer-forged 4140 chrome-moly steel barrel comes with an M4 feed ramp, and black Nitride finish; a 1:8″ rifling twist rate maximizes accuracy with bullets ranging from 35 to 77 grains. A Ruger radial-port flash suppressor is attached to the barrel with a 1/2″:28 thread. The Ruger AR-556 MPR Semi-Auto Rifle comes with one 30-round Magpul® PMAG® detachable box magazine. Made in USA.

  • Direct-impingement system
  • Rifle-length gas system
  • Free-float, M-LOK handguard
  • MOE SL 6-position buttstock
  • MOE pistol grip
  • Ruger Elite 452 trigger
  • Black Nitride finished barrel
  • Radial-port flash suppressor
  • Forward assist and dust cover
  • Flattop upper receiver
  • 1:8″ twist rifling
  • 30-round PMAG
Cartridge or Gauge .223 Remington/5.56 NATO
Finish Black
Model Number 8514
Action Semi-Automatic
Barrel Length 18"
Stock Color Black
Round Capacity 30 + 1
Gun Weight 6.8 lbs.
Hand Right


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