F ATI ATIG15MS556P3P13 MIL-SPORT AR-15 16" 1:8 13" M-LOK 30rd Mag Black $434.73 ATIG15MS556P3P13 show more like this Calculated in Cart Classic Firearms F American Tactical AR15 Milsport Ria P3P | 16' barrel | 13" keymod rail | 1:8 twist | 30rd $447.94 - show more like this 15.00 SHTF Tactical