Sig Sauer 556 Holo Rifle (NIB) Like the title says, I have a Brand New in the box Sig Sauer 556 rifle, with Holo sight for sale. The rifle comes with two Sig mags, mag coupler, factory lock, Sig hard case and holo sight. It's the collapsible stock version. Trades: 4x4 Quad (400CC or Larger), Gun Safe, Firearms, 1911's (Kimber, Colt, Springfield EMP), Piston AR, Colt 6940, GSG or .22 AR, Tactical 12 ga. Shotgun. shoot me an offer, the worst I can say is no thanks. (Trades must be of equal or greater value or +/- cash) Thanks for looking.