Product Features & Specifications

Ruger 8511 AR-556 *CO/MD Compliant 5.56x45mm NATO 10+1 16.10" Heavy Contour Barrel, Hard Coat Anodized 7075-T6 Aluminum Forgings, 6 Position Stock, Mil-Spec Buffer Tube, Flat Top Receiver, Optics Ready

Ruger's AR-556 is made from 7075-T6 hard-coat anodized aluminum forgings, shot-peened and proof-tested 9310 steel bolt, and 8620 steel bolt carrier.Its barrel nut and delta ring allow easy, one-person service of the heat-resistant glass-filled nylon handguard.

The design accepts most standard carbine-length handguards.Handguards are made from heat-resistant glass-filled nylon for shooting comfort and durability.

The gas block is located at a carbine-length (M4) position for improved balance and handling.Serrations on the angled face of the gas block provide a low-glare surface.

A single-stage trigger provides durable and reliable fire control.Rapid Deploy folding rear sight provides windage adjustability and pairs with the A2-style, F-height, elevation-adjustable front sight for a solid, reliable aiming system.

The AR-556 also features a cold hammer-forged alloy barrel and ergonomic pistol grip with an extended trigger reach for more precise trigger control.Included is a front sight tool.

Brand	Ruger
Series	*CO/MD Compliant
Model	AR-556
Caliber	5.56x45mm
Barrel Length Range	16" to 16.99"
Gun Platform	AR-Style
Operating System	Direct Impingement
Stock Finish Group	Black
Capacity	10+1
Stock Material	Synthetic
Action	Semi-Auto
OAL	32.25"- 35.50"
Hand	Right Hand
Sights	Adj Front & Rear
Barrel Finish	Matte Black Oxide
Muzzle	Flash Suppressor
Twist	1:8"
Magazine Type	AR-15
Grips	Black Polymer
Includes	Sight Tool
Receiver Material	7075-T6 Aluminum
Safety	Lever
Thread Pattern	1 / 2"x28
Stock Description	6 Position
Barrel Description	Steel
Barrel Length	16.10"
Length of Pull	10.25"-13.50"
Max Capacity	10
Receiver Finish	Black Hard Coat Anodized
Trigger	Single-Stage
Weight	6.70 lbs
Stock Finish	Black
SKU	34869
UPC	736676085118
MPN	8511