The M4A1 is one of the most useful assault rifles in Tom Clancy’s Ghost Recon Wildlands. Where to Find the M4A1The standard M4A1 is located in the Flor De Oro province, in the southeastern part of the map. The exact area is surrounded by trees, which can make the weapon case slightly harder to spot from a distance. Simply travel to the weapon case and interact with it once you have reached the location. The standard M4A1 also supports different firing modes.