Product Features & Specifications

Ruger 8537 AR-556 5.56x45mm NATO 10+1 16.10" Heavy Contour Barrel, Black Hard Coat Anodized 7075-T6 Aluminum Forgings, 6 Position Collapsible M4-Style Stock, Mil-Spec Buffer Tube, Optics Ready

Ruger's AR-556 semi-automatic rifle is made from forged aerospace-grade 7075-T6 aluminum.The hard coat anodized, flattop upper receiver includes a forward assist, dust cover and brass deflector, while the handguards are made from heat-resistant glass-filled nylon.

It has a carbine-length, milled gas block with multiple attachment points for a QD socket, bayonet lug, and sling.Serrations on the angled face of the gas block provides a low-glare surface.

It also has a bolt machined from 9310 alloy steel, single-stage trigger, chrome-plated bolt carrier with a matte black oxide finish on the exterior, and patent-pending barrel nut and Delta ring for one person handguard removal and installation.

Brand	Ruger
Model	AR-556
Caliber	5.56x45mm NATO
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	Optic Ready
Barrel Finish	Matte Black Oxide
Muzzle	A2 Flash Hider
Twist	1:8"
Magazine Type	AR-15
Grips	Black Polymer
Handguards	M-LOK
Receiver Material	7075-T6 Aluminum
Safety	Safety Selector Switch
Thread Pattern	1 / 2"x28
Stock Description	6 Position Collapsible
Barrel Description	Steel
Barrel Length	16.10"
Length of Pull	10.25"-13.50"
Max Capacity	10
Receiver Finish	Black Hard Coat Anodized
Trigger	Mil-Spec
Weight	6.70 lbs
Stock Finish	Black
SKU	114528
UPC	736676085378
MPN	8537