Ruger AR-556 300 Blackout 30+1 16.10" Heavy Contour Barrel, Black Hard Coat Anodized 7075-T6 Aluminum Forgings, 6 Position M4-Style Stock, Flat Top Receiver, Optics Ready 8530

Features:

• 11" aluminum handguard is free-floated for accuracy and features Magpul M-LOK accessory attachment slots along the 3:00 6:00 and 9:00 positions with additional slots on the angled faces near the muzzle.
• Flat top upper receiver features a Picatinny rail for easy attachment of magnified optic red dot or open sights.
• Made from 7075-T6 hard-coat anodized aluminum forgings shot-peened and proof-tested 9310 steel bolt and 8620 steel bolt carrier. The inside diameter of the carrier and gas key are chrome plated and the key is staked for longevity.
• Single-stage trigger provides durable and reliable fire control. The enlarged trigger guard is designed to allow gloved shooting in cold weather.
• Six-position telescoping M4-style buttstock and Mil-Spec buffer tube allow the rifle to be properly sized for different shooters or varying levels of outerwear.
• Equipped with a heavy-contour cold hammer-forged 4140 chrome-moly steel barrel with ultra-precise rifling provides exceptional accuracy longevity and easy cleaning. M4 feed ramps provide improved reliability and the matte black oxide finish reduces glare and provides corrosion resistance.
• Ergonomic pistol grip features an extended trigger reach for more precise trigger control.
• Made from aerospace-grade 7075-T6 aluminum forging the flat top upper receiver features a forward assist dust cover and brass deflector.
• Also includes: one 30-round metal magazine.

Specifications:

• CALIBER: 300 BLK
• Stock: Black Synthetic Collapsible
• Handguard: Free-Float with M-LOK� Attachment Slots
• Sights: None
• Barrel Length: 16.10"
• Thread Pattern: 5/8"-24
• Twist: 1:7" RH
• Capacity: 30
• Finish: Type III Hard-Coat Anodized
• Height: 7.20"
• Weight: 6.4 lb.
• Overall Length: 33" - 36.25"
• Length of Pull: 10.25" - 13.50"
• Grooves: 5