GC_UPC RAD CFU UPPER 5.56 16B RPR MAP RF00325 show more like this 14.99 Locked Loaded GC_UPC Radical Firearms 5.56 SOCOM Complete AR-15 Upper - RPR M-LOK Handguard - 16" $379.99 CFU16-5.56SOC-15RPR show more like this Calculated in Cart Primary Arms