9mm Ruger American® Pistol Product Safety Bulletin
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Ruger® AR-556® MPR

Ruger® AR-556® MPR

Affordable, American-made Modern Sporting Rifle with the rugged reliability that you have come to expect from Ruger.

Now Available in .450 Bushmaster

  • Lower receiver is fitted with Magpul® MOE® grip and MOE SL™ collapsible buttstock on the Mil-Spec buffer tube.

  • Handguard is free-floating for accuracy and the slim, 15" length provides enhanced ergonomics and support.

  • Made from aerospace-grade 7075-T6 aluminum forging, the flattop upper receiver includes a forward assist, dust cover and brass deflector, and is Type III hard coat anodized for maximum durability.

  • Bolt is machined, shot peened and pressure (proof) tested to ensure strength, structural integrity and durability.

  • The Ruger® Elite 452™ AR-Trigger is a two-stage trigger that offers a smooth, crisp, 4.5 pound trigger pull. It features a full-strength hammer spring for consistent primer ignition and a lightweight hammer that enables a 30% faster lock time over standard MSR triggers.

  • Magpul® M-LOK® accessory attachment slots along the 3:00, 6:00 and 9:00 positions with additional slots on the angled faces near the muzzle.

  • Cold hammer-forged 4140 chrome-moly steel barrel with ultra-precise rifling provides exceptional accuracy, longevity and easy cleaning.

  • Chrome-plated bolt carrier inside diameter and chrome-plated gas key inside diameter provide exceptional resistance to hot gases. The gas key is staked so that it will not loosen after extensive firing. A matte black oxide finish on the exterior of the bolt carrier provides corrosion resistance.

  • Ruger® muzzle brake is a radial port design that significantly reduces felt recoil and muzzle movement. The threaded barrel allows for standard muzzle accessories to be installed.

  • Also includes: One Magazine

  • Capacity: 30
  • Barrel Length: 18"
  • MSRP: $899.00
  • Capacity: 5
  • Barrel Length: 18.63"
  • MSRP: $1099.00

Ruger® AR-Lower Receiver Now Available for $129 MSRP

  • Chambered in .450 Bushmaster
  • Features