Ruger AR-556 8529 | 5.56 NATO | 16.1″ Barrel | 11″ M-LOK

This Ruger AR-556 is a semi-automatic rifle chambered for 5.56 NATO and built on a forged aerospace-grade 7075-T6 aluminum upper. It features a heavy-contour, cold hammer-forged 16.10″ barrel, an 11″ free-float Magpul M-LOK handguard, and ships with one 30-round Magpul PMAG. For an optic that balances speed and durability on this platform, consider a Vortex StrikeFire II red dot.

Its configuration makes it well suited to disciplined range training and practical competition shooting where reliability, modularity, and straightforward maintenance are priorities.

Product Specifications

• The caliber is 5.56 NATO (.223 Rem compatible) as listed by the manufacturer.
• The barrel measures 16.10 inches and is cold hammer-forged for longevity and consistent rifling.
• The handguard is an 11-inch Magpul M-LOK free-float design for modular accessory mounting.
• The rifle includes one 30-round Magpul PMAG magazine in the package.
• The receiver is made from 7075-T6 aluminum with a Type III hard coat anodized finish.
• The bolt is machined from 9310 alloy steel and is shot peened and proof tested.
• The twist rate is 1:8″ right-hand, compatible with a wide range of bullet weights.
• The thread pattern at the muzzle is 1/2-28 for compatible muzzle devices.
• The capacity is listed as 30 + 1 rounds.
• The stock is a six-position collapsible black synthetic M4-style buttstock.
• The action type is semi-automatic with a single-stage trigger and enlarged trigger guard.
• The bolt carrier has a chrome-plated interior and a matte black oxide exterior finish.
• The overall length is 32.25″ to 35.50″ depending on stock position and the weight is listed at 6.7 lb.
• The UPC for this product is 736676085293.

This Ruger AR-556 delivers the core attributes experienced shooters expect from a modern AR-style rifle: durable materials, a free-float M-LOK handguard for accessories, and a barrel profile that balances accuracy and longevity. It arrives configured for quick optics installation and practical use at the range or in competition.

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