Ruger AR-556 MPR 5.56 NATO Semi-Auto Rifle, 16.10 in Threaded Barrel, Free-Float M-LOK, 2023, Upgraded with UTG Bipod & LIMBSAVER, 3 Magazines
This 2023 Ruger AR-556 MPR in 5.56 NATO combines the MPR's free-float M-LOK handguard and direct-impingement system with thoughtful upgrades for practical range use. It features a 16.10-inch threaded steel barrel capped with Ruger's radial-port muzzle brake and arrives with two 30-round magazines and one 40-round magazine. The rifle shows light prior handling and a clean, mirror-bright bore.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: The exterior shows minor, superficial scratches and blemishes.
What's Included
- UTG bipod (installed; mounts directly to side M-LOK slots)
- Two short M-LOK Picatinny rail sections (installed on handguard)
- LIMBSAVER buttpad installed on carbine stock
- Two 30-round magazines
- One 40-round magazine
The AR-556 MPR platform centers on a free-float aluminum M-LOK handguard with a full-length top rail over a low-profile gas block, paired to a flat-top upper receiver. The upper includes a forward assist, brass deflector, and an ejection-port dust cover, providing the familiar AR feature set in a streamlined configuration.
The 16.10-inch steel barrel is threaded and fitted with Ruger's radial-port muzzle brake. This setup manages muzzle movement while keeping the system compact. The rifle uses a direct-impingement action and accepts STANAG-pattern detachable box magazines.
Ruger's matte black, hard-anodized aluminum receivers match the rifle's overall matte black finish. A carbine receiver extension with castle nut and end plate supports the collapsible, 6-position polymer stock, and the rifle is equipped with a Magpul textured pistol grip and a manual safety.
Useful upgrades are already installed: a LIMBSAVER recoil pad on the collapsible stock, two short M-LOK Picatinny rail sections on the handguard, and an M-LOK-mounted UTG bipod attached to the handguard's side slots. The bipod mounts directly via M-LOK with clamp discs; no Picatinny adapter is used.