RUGER SR-556/SR-556 CARBINE Description
5.56 NATO or 6.8 SPC (mfg. mid-2010-2011) cal., GPO, 10, 25 (6.8 SPC only, disc. 2011), or 30 shot mag., 16.1 in. barrel with flash suppressor or target crown, matte black finish, four position chrome plated gas regulator, quad rail handguard, with or without Troy folding sights, fixed (556SC) or 6-position telescoping M4 style buttstock, Hogue monogrip pistol grip with finger grooves, upper receiver has integrated Picatinny rail, chrome plated bolt, bolt carrier, and extractor, includes rail covers, soft sided carry case and three magazines, 7.4 (Carbine) or 7.9 lbs. Mfg. mid-2009-2015.