HM Defense Monobloc 5.56 Barrel - 16"

HM Defense Guardian F5 5.56x45mm 16", Black - HM15F556

HM Defense 12.50" Classic Upper 5.56x45mm 1:8 M-LOK Rail Mid-Length with BCG and CH, Black - 125MBUP556

HM Defense MonoBloc 9.5" AR-Style Upper Receiver 5.56x45mm/.223 Remington - 95MBUP556

HM Defense .223 Remington Upper with 16" Barrel, Black - 16MBUP556

HM Defense .223 Remington Upper with 16" Barrel, Black - 16MBUP556L

LMT Defense Monolithic 16 Mid Length Barrel 5.56

HM Defense Defender M5 5.56x45mm 16" AR Rifle, Black - HM15FMB556