can anyone actually tell me what the specializations actually are because if its something that i can achieve in mp id rather do that then redeem the code just yet and skip it 
Specializations are abilities which can help you improve your preferred playstyle, say if your an assassinator, a sniper or a wheelman, all the specializations will help you improve you in that skill and will provide extra items such as armor and emblems as well as there special abilities here is a link for more details Rank (Halo 4) | Halo Alpha | Fandom