The Ruger SR-556 Auto Loading Rifle has: a black synthetic, collapsible stock, folding battle sights, manganese phosphate/hardcoat anodized finish. It is a 55.6mm NATO/.223 Rem. caliber, weighs 7.17 lbs., is 7.75" in height, 2.50" in width, and 16.12" barrel length. It has a 30 round capacity.
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