What gun did Omar Mateen use?
Mateen legally purchased a Sig Sauer SIG MCX semi-automatic rifle and a 9mm Glock 17 handgun, the two firearms later used in the shooting, from a gun shop in Port St.Hereof, is the SIG MCX an AR 15?(It's important to note that the Sig MCX is not technically an AR-15 variant. The guts of the Sig...