The Sig 556 features the same high performance two position adjustable gas piston operating rod system engineered by Sigs sister company Swiss Arms and marries it to a trigger housing that not only cuts the rifles weight by a pound but is designed to accept standard AR magazines. The Picatinny rail equipped receiver is made of high strength carbon steel with a durable wear resistant Nitron X rifle finish. The rifle comes equipped with a smooth two stage trigger. A 20 round magazine is supplied with each rifle.
SPECIFICATIONS:
Mfg Item Num: R556H18BDM
Category: FIREARMS - TACTICAL RIFLES
Action :Semi-Automatic
Caliber :223 Remington/5.56 NATO
Bbl Length :18 in
Capacity :20 + 1
Trigger :Two Stage
Safety :Ambidextrous
OAL :45 in
Weight :9.9 lbs
Stock :Collapsible
Finish :Black
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Return to manufacturer for warranty service. No Returns.