AVILABLE AND IN STOCK FOR IMEDIATE DELIVERY!!! This Sig Sauer 556 SWAT is a semi-auto rifle that shoots the 5.56mm or.223 round. It has a 16" barrel and has a Dark Earth Ceracoat finish. This is a new rifle and comes with a full length receiver rail, quad-rail forearm, Sig STL-100 light and vertical grip, Mag-Pul folding and collapsible stock, flip up front and rear sights, one 30 round magazine, QD flash hider, rail covers, manual, lock, and a hard case. This rifle uses AR-15 magazines.