The Ruger Custom Marble Distressed AR-556 is a semi-automatic AR-platform rifle designed for range work, training, and personal defense applications. Its configuration balances durability and practical ergonomics for everyday handling and regular use.

The rifle is built on aerospace-grade 7075-T6 aluminum forgings and features a medium-contour cold hammer-forged alloy barrel with a matte black oxide finish. Controls and furniture are configured for familiar AR ergonomics, including a six-position telescoping M4-style buttstock and an enlarged trigger guard for gloved operation.

Key Specifications

The rifle is a semi-automatic platform suitable for range, training, and personal defense use.
The barrel length is 16.10 inches, offering a balance between accuracy and maneuverability.
The caliber is 5.56mm NATO, with a chamber that accepts both 5.56 NATO and .223 Rem.
The twist rate is 1:8″ RH, supporting bullet weights from 35 to 77 grains.
The included magazine capacity is 30 rounds, and one Magpul PMAG is supplied.
The receiver finish is Custom Marble Distressed, providing a distinctive appearance with a matte black oxide on barrel components.
The handguard material is glass-filled nylon, designed for heat resistance and durability.
The action components include a bolt made from 9310 steel and a bolt carrier made from 8620 steel, with chrome-plated carrier interior and staked gas key.
The thread pattern is 1/2″-28 for muzzle devices and accessories.
The overall length ranges from 32.25 inches to 35.50 inches, and the unloaded weight is 6.5 lb.

With a familiar AR layout, durable materials, and a practical feature set, this Ruger AR-556 provides reliable 5.56mm NATO performance for users seeking a versatile semi-automatic rifle. Buy the Ruger / Sturm, Ruger & Co. Custom Marble Distressed AR-556 5.56mm NATO online today.

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