RUGER

Ruger AR-556 MPR, Semi-Automatic, 5.56 NATO/.223 Rem., 18" Barrel, American Flag Finish, 30+1 Rounds

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Key Features

  • 5.56 NATO/.223 Remington
  • 30+1 rounds
  • 18" barrel with 1/2x28 threads
  • Magpul® MOE SL™ collapsible stock
  • Free-float 15" M-LOK® handguard
  • Elite 452™ AR-Trigger offers a smooth, crisp 4.5-lb. pull
  • American Flag Cerakote finish
  • Includes (1) 30-rd. PMAG®
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RUGER

Ruger® AR-556® MPR 5.56 NATO/.223 Remington Semi-automatic Rifle

The new MPR (Multi-Purpose Rifle) is still the wildly popular AR-556 you know and love, but with a few key enhancements that make it easier to shoot and easier to love. Like the original, the AR-556 MPR is built around a forged 7075-T6 aluminum receiver and cold hammer-forged 4140 chrome moly barrel, delivering rock-solid durability and shooting performance.

However, unlike the original, the AR-556 MPR comes standard with a Magpul® MOE SLTM collapsible stock and MOE pistol grip. The original heat shield handguard has also been replaced with a much better 15" free-float handguard with M-LOK attachment slots. And perhaps most importantly, the original single-stage trigger has been replaced with the outstanding Elite-452TM two-stage trigger, offering a crisp, consistent 4.5-lb. trigger pull and 30% faster lock time than standard triggers. Yet despite all these improvements, the AR-556 MPR is STILL highly affordable. That's a home run in our book.

  • Forged 7075-T6 upper receiver with forward assist, dust cover, and brass deflector
  • Forged 7075-T6 lower receiver
  • American Flag Cerakote finish
  • Cold hammer-forged 4140 chrome-moly steel barrel with ultra-precise rifling provides exceptional accuracy, longevity and easy cleaning
  • The Ruger Elite 452 AR-Trigger is a 2-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 MOE SL collapsible buttstock
  • Magpul MOE pistol grip
  • 15" free-float handguard has M-LOK slots at 3:00, 6:00, and 9:00
  • Bolt is machined from 9310 alloy steel and is shot peened and pressure (proof) tested to ensure strength, structural integrity and durability
  • 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
  • Ruger® muzzle brake is a radial port design that significantly reduces felt recoil and muzzle movement
  • Barrel is threaded 1/2x28 for standard muzzle accessories
  • 1:8" twist rate stabilizes bullets from 35 to 77 grains
  • Rifle-length gas system provides smoother operation and reduces felt recoil.
  • Includes (1) 30-rd. PMAG

Order today!

Key Specifications

  • Item Number: 720378
  • Caliber: 5.56 NATO/.223 Remington
  • Action: Semi-automatic/direct impingement
  • Gas System: Rifle-length
  • Capacity: 30+1
  • Barrel Length: 18"
  • Barrel Material: 4140 chrome moly steel
  • Barrel Twist: 1:8" RH
  • Stock: Magpul MOE SL
  • Upper Receiver: Forged 7075-T6, American Flag Cerakote
  • Lower Receiver: Forged 7075-T6, American Flag Cerakote
  • Pistol Grip: Magpul MOE
  • Sights (front/rear): Optics-ready
  • Fire Control: Elite-452 trigger
  • Handguard: 15" free-float with M-LOK slots
  • Flash hider: Ruger radial port
  • Overall Length: 35"-38.25"
  • Overall Weight: 6.8 lbs.
  • Mfg. Number: 8538
  • UPC: 736676085385