Originally Posted by op_ivy
just so we're clear... even if you don't have the BR unlocked, that doesn't mean it isn't present within a default map loadout, correct? also, it would be present on the map itself as a pick up?
Anything dropped by another player is useable, all maps/modes (specialty lists like Snipers, for example, obviously ignore this rule) will contain at least one appropriate loadout UNSC "role" weapon, which would be DMR or BR depending on map. As described above. Ordnance is separate system from that, obviously.