Lightweight, accurate, and built for serious shooters, modern AR-pattern rifles have to balance weight, recoil control, and consistent accuracy. For shooters who demand a platform that performs across training, precision work, and duty use, the right blend of materials and components makes all the difference.

RUGER AR-556 MPR brings a high-performance parts list into an accessible package. It ships with an 18″ PROOF Research carbon fiber wrapped barrel that trims weight without sacrificing repeatable accuracy, paired with a rifle-length gas system and .223 Wylde chambering to safely and reliably run both 5.56 NATO and .223 Remington ammo. The lower is fitted with a Magpul PRS Lite stock for secure length-of-pull and comb height adjustment, and the Magpul MOE-K2 grip improves hand placement for faster, consistent control. Shop this product

Barrel, gas system, and accuracy-focused features

The 18″ PROOF Research carbon fiber wrapped barrel reduces reciprocating weight and improves handling without degrading shot-to-shot consistency. The rifle-length gas system softens bolt carrier velocity and reduces cyclic wear, which complements the .223 Wylde chamber that optimizes accuracy when running both 5.56 NATO and .223 Remington. The free-floated, slim 15″ handguard gives a natural point of aim and supports Magpul M-LOK accessory mounting at 3:00, 6:00 and 9:00 as well as angled slots near the muzzle.

Trigger, bolt, and durability

RUGER AR-556 MPR is equipped with the Ruger Elite 452 AR-Trigger — a two-stage design delivering a smooth, crisp 4.5 pound pull with a full-strength hammer spring for consistent ignition and a lightweight hammer for faster lock time. The bolt is machined from mil-spec 9310, shot-peened and proof-tested for longevity. The bolt carrier and gas key feature chrome-plated internal diameters to resist high-temperature gases, and the gas key is staked to remain secure during extended firing.

At $1663.99, the RUGER AR-556 MPR also includes a threaded barrel for standard muzzle devices and ships with one 30-round Magpul PMAG. The Ruger radial-port muzzle brake significantly reduces felt recoil and muzzle rise, improving follow-up shot speed and sight picture recovery. View product details and pricing

Fit for precision work and duty roles

Between the adjustable PRS Lite stock for shooter-specific fit, ergonomic MOE-K2 grip, and the lightweight carbon-wrapped barrel, this rifle is tuned for precision-oriented shooters who still need a durable, serviceable platform. The 7075-T6 flat top upper with forward assist, dust cover and brass deflector ensures the rifle is built on a rugged aero-grade foundation.

For hands-on inspection or to initiate a purchase from our shop page — which links through to the retailer’s checkout — Check current availability and secure your RUGER AR-556 MPR today: Check availability

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