anti air missile launchers are MNU only, and their emplacements. sure their range is pretty damn far but i never liked any weapons i couldn't move around,
I play nigerian technical highway men list for a reason. If i'm going to have a recoiless rifle i'm going to have it in the back of my truck, sure it's harder to hit if the truck moves, and in order to get a line of sight the truck has to be backwards, but honestly the front of a technical is only marginally more armored than the rear and it's probably going to blow up anyways and it distracts the opponent while you get your cut throats and scum into surrounding cover. then next turn if the truck is still alive you can move to another position.
but recoiless rifles were always secondary compared to .50 cals, relatively cheap, 360° firing arc, great all round stats, can take down a helicopter or waste a few infantry, sure it's useless against APC's but it tears through light cover like nobodies business.
and technicals are so cheap you can take several of them in 1000 points, it really is worth watching your opponents jaw drop when they see a massive technical list arrayed infront of them. sure they'll blow up but thats half the fun.
mobile or ambush is pretty much the only two ways to play nigerians.
Armored/air cav first recon or ground pounder wave is effective for MNU
or small and elite, or massed prawn is for well the prawns.
its funny how prawns have potentially the smallest and largest armies.