Ruger AR-556 MPR | 5.56 / .223 | 18″ Barrel | MFG# 8514

The Ruger AR-556 MPR is a semi-automatic modern sporting rifle built on 7075-T6 aluminum forgings and fitted with a cold hammer-forged 4140 chrome-moly steel barrel. It ships with Magpul MOE ergonomics including a MOE SL collapsible stock, a 15″ free-float M-LOK handguard, and a Ruger Elite 452 two-stage AR trigger. For a capable optic under $1,000, consider a 1-6x variable such as the Vortex Strike Eagle 1-6×24 to cover close to mid-range work with a fast sight picture and durable construction.

Its configuration suits precision-focused range practice and practical MSR training; it can also be used in small-game or varmint field applications where a lightweight, accurate semi-automatic rifle is appropriate.

Product Specifications

• The UPC is 736676085149.
• The manufacturer is Ruger / Sturm, Ruger & Co..
• The model is AR-556 MPR (MPR series).
• The caliber is 5.56 NATO / .223 Rem.
• The barrel length is 18 inches.
• The twist rate is 1:8″ RH.
• The action is Semi-Auto.
• The receivers are made from 7075-T6 aluminum with a Type III hard coat anodized finish.
• The barrel material is 4140 chrome-moly steel with a nitrided finish.
• The handguard is a 15″ free-float M-LOK unit.
• The stock is a Magpul MOE SL collapsible unit on a Mil-Spec buffer tube.
• The trigger is the Ruger Elite 452 two-stage trigger.
• The muzzle is threaded to 1/2″-28 tpi for common muzzle accessories.
• The unloaded weight is approximately 6.8 lb.
• The overall length is 35″ – 38.25″.

This AR-556 MPR pairs proven materials and user-focused features into a practical, accurate carbine-length package. The free-float handguard and rifle-length gas system help manage recoil and support consistent groups, while the Ruger Elite trigger and Magpul furniture keep the controls familiar and ergonomic. Included with the rifle is one Magpul PMAG 30-round magazine and a Ruger muzzle brake on the threaded barrel.

Owners commonly praise the platform for its reliable operation and for delivering strong value relative to the materials and features offered.

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