50 BMG Uppers and Lowers For Sale

SHTF50 Mag Fed .50 BMG Upper — 22" or 29" (FFL Transfer Required)

The SHTF50 Mag Fed upper assembly converts any mil-spec AR-15 lower into a purpose-built .50 BMG bol..

SHTF50 Single Shot .50 BMG Upper — 22" or 29" (FFL Transfer Required)

The SHTF50 single shot upper turns any mil-spec AR-15 lower into a single-shot .50 BMG bolt action s..