The Ruger AR-556 is an affordable, American-made modern sporting rifle with the rugged reliability that you have come to expect from Ruger. The cold hammer-forged 4140 chrome-moly steel barrel with ultra-precise rifling provides exceptional accuracy, longevity and easy cleaning.
Rifle-length gas system
SBN treated threaded barrel & low-profile gas block
Ruger® Elite 452™ AR-Trigger (2-stage/4.5 lb. pull)
Ruger® muzzle brake with radial port design
Slim, free-float 15" handguard with M-LOK® slots at the 3/6/9 positions with additional slots on angled faces near muzzle
Magpul® MOE® grip & MOE SL™ collapsible buttstock (with MIL-SPEC buffer tube)
Includes (1) 30-round Magpul® PMAG
OAL: 35" - 38.25" (11.1" - 14.4" adj. LOP)
Wt.: 6.8 lbs.
Gas operated, semi-auto
Type III hardcoat anodized 7075-T6 aluminum flat top upper receiver with forward assist, dust cover & brass deflector
9310 alloy steel bolt, shot peened & pressure tested
Matte black oxide finished, chrome-plated bolt carrier & gas key (staked)
Cold hammer-forged chrome-moly steel barrel with matte black oxide finish & ultra-precise rifling
1:8" twist rate
M4 feed ramps
Enlarged trigger guard
Caliber 223 Remington/5.56 NATO
Barrel Length 18"
Overall Length 35" - 38.25"
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