Ruger AR-556 MPR 5.56 NATO Semi-Auto Rifle with 18 in Nitrided Barrel, 1/2x28 Threads, 15 in Ruger Free-Float M-LOK Handguard, and Radial Muzzle Brake
This AR-556 MPR pairs Ruger’s 18 in chrome-moly, nitrided barrel and 1:8 RH twist with a Ruger-branded 15 in free-float M-LOK handguard and a factory-installed Ruger radial-port muzzle brake. It features a flat-top upper with forward assist, dust cover, and brass deflector, and was produced in Mayodan, North Carolina in 2021. The rifle uses the AR-15/STANAG magazine interface and includes a Magpul MOE pistol grip and an installed Magpul M-LOK MVG vertical foregrip.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
Specific Condition Notes: This rifle shows light signs of wear and handling. Some surface scratches are present on the finish.
What's Included
- Ruger AR-556 MPR rifle
- 1x 30-round metal AR-15/STANAG-pattern magazine
- Magpul M-LOK MVG vertical foregrip (installed)
The MPR configuration centers on an 18 in chrome-moly steel barrel that is nitrided for surface hardness and corrosion resistance. It is stamped 5.56 NATO 1:8 and cut with 1/2x28 muzzle threads. A Ruger radial-port muzzle brake is installed at the factory.
The rifle uses a Ruger-branded free-float aluminum handguard that is approximately 15 in long with M-LOK slots. A continuous Picatinny rail spans the receiver and handguard, and the flat-top upper includes a forward assist, dust cover, and brass deflector.
This AR-15 platform rifle runs a semi-automatic, direct impingement gas system with a standard manual safety. The selector is marked SAFE/FIRE, and capacity is 30+1 with AR-15/STANAG magazines.
Furniture includes a collapsible polymer stock for adjustable length of pull and a Magpul MOE pistol grip. The rifle is finished in matte black with a matte black anodized receiver.
Made in the USA, this example was produced in Mayodan, North Carolina in 2021. It ships with one 30-round magazine and has no factory sights installed.