Ruger AR-556 Semi-Auto Rifle with Free-Float Handguard

TheRuger®AR-556®Semi-AutoRiflewithFree-FloatHandguardoperateswithdirect-impingementandarifle-lengthgassystem.Thelowerreceivercomesequippedwithanergonomicpolymerpistolgripanda6-position,collapsible,M4-stylebuttstockonaMil-Specbuffertube.UpperandlowerreceiversareCNC-machinedfrom7075-T6aluminumforgingsandTypeIIIhard-coatanodizedformaximumdurability.An11"free-float,M-LOK®handguardfeaturesaccessoryattachmentslotsat3:00,6:00and9:00positions,andacontinuousPicatinnyrailinterfacewiththeflat-top,railed,upperreceiver.Theupperreceiverfeaturesaforwardassist,dustcover,andbrassdeflector,whiletheRuger®single-stagetriggeroffersasmooth,crispbreakatapproximately4.5lbs.Theboltcarrierandgaskeyarechrome-platedtoprovideexceptionalresistancetohotgases;andthegaskeyissecurelystakedtopreventlooseningduringextensivefire.Thecoldhammer-forgedsteelalloybarrelboastsa1:8"twistratiotomaximizeaccuracywithbulletsrangingfrom35to77grains,andfeaturesanM4feedramp,andblackNitridefinishforsuperiorcorrosionandmoistureresistance.Afactory-installedRugerradial-portflashsuppressorisattachedtothe1/2"x28threadedbarrel,andiseasilyremovedtoaccommodateaftermarketmuzzledevices.TheRugerAR-556Semi-AutoRiflecomeswith1magazine. 

• Direct-impingementsystem
• Rifle-lengthgassystem
• 11"free-float,M-LOKhandguard
• 6-position,M4-stylebuttstock
• Ergonomicpolymerpistolgrip
• BlackNitridefinishedbarrel
• Radial-portflashsuppressor
• Forwardassistanddustcover
• Flattopupperreceiver
• 1:8"twistrifling
• Includes1PMAG