Semi Automatic Rifles We have over 2500 firearms on our sales floor, and we will be working hard to list our firearms daily, new and used Rock River Entry Tactical R4 223 Ar-15 Carbine Rock River 20" Coyote 223/5.56 Ar-15 Colt LE-6900 Carbine 223/5.56 Stag Model 2 Carbine 223/5.56 AR15