F.O.G. Horn 5 does an airsoft M4A1 build guide in this episode... "In this video, we walk you through London’s complete Block II FSP M4A1 RECCE-style rifle build. From detailed price breakdowns and a full parts list to hands-on assembly and a custom rattlecan paint job, this video covers everything you need to know to build your own clone-correct setup—or get inspired to start one.