Ruger AR-556 MPR 5.56mm NATO 18" Semi Auto Rifle with Free-Float M-LOK Handguard and Camouflage-Pattern Finish
This Ruger AR-556 MPR (Multi-Purpose Rifle) is a 5.56mm NATO, AR-15 platform semi auto rifle manufactured in 2023. This example stands out for its camouflage-pattern over-finish/coating applied to the receiver set, handguard, and stock (not confirmed factory), along with a free-float M-LOK handguard and a threaded 18" steel barrel with a 1/2-28 thread pattern.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Specific Condition Notes: The rifle shows some mild scuffs and scratches. Otherwise, it is in fantastic shape.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
What’s Included
- 1x 30-round magazine (Magpul PMAG Gen M3 5.56x45)
Built on Ruger’s AR-556 series, this MPR variant uses a direct impingement action and is marked on the receiver "AR-556" and "RUGER / MAYODAN, NC USA." The barrel is marked "5.56 NATO 1-8," matching the listed 1:8 twist rate.
The rifle is configured with a flat-top upper and Picatinny top rail over the receiver, continuing along the top of the handguard. A forward assist and ejection port dust cover are present, and the selector safety is marked SAFE/FIRE.
Up front, the 18" steel barrel is threaded 1/2-28 and fitted with a ported muzzle brake/compensator. The muzzle device is marked ".223 1/2-28," and the rifle is listed with a 30+1 capacity.
Furniture includes a collapsible Magpul MOE SL stock (marked) and a Magpul pistol grip. The handguard is a metal, free-float M-LOK handguard with a top Picatinny rail, and no iron sights are visible.