Ruger AR-556 – Model 8530 – .300 BLK

Free-Float Tactical Rifle with M-LOK® Handguard

The Ruger AR-556 in .300 BLK delivers enhanced accuracy with its free-floated 11" aluminum M-LOK® handguard and 16.10" cold hammer-forged barrel. The 5/8"-24 thread pattern and heavy-contour barrel ensure maximum versatility and precision.

Optimized Performance

Built with a 7075-T6 hard-coat anodized aluminum receiver, this rifle features chrome-plated bolt carrier internals, M4 feed ramps, and a Matte Black oxide finish for corrosion resistance. Its flat top Picatinny upper allows quick attachment of optics.

Comfort and Control

Equipped with a single-stage trigger, enlarged trigger guard, and a collapsible six-position M4-style stock, this model adapts easily to various shooting needs. The ergonomic pistol grip provides enhanced control and comfort.

Technical Specifications

• Caliber: .300 BLK
• Barrel Length: 410mm
• Thread Pattern: 5/8"-24
• Twist: 1:7" RH
• Capacity: 30
• Weight: 2900g
• Overall Length: 838–921mm
• Length of Pull: 260–343mm
• Grooves: 5
• Material: 7075-T6 aluminum (receiver), 4140 chrome-moly steel (barrel)
• Finish: Type III hard-coat anodized / matte black oxide
• Sights: None
• Stock: Collapsible, synthetic
• Handguard: 11" free-float with M-LOK® slots
• Includes: One 30-round metal magazine