Essentially all companies aside from ICS and Prowin copied the TM v2 mechbox exactly for their AEG armalite models. While every company that makes external components may not follow the dimensions to the exact number the majority of after market receivers should fit your mechbox. There may be some slight dremeling or filing required. Unless you have a blow back model, then I am not entirely sure how much modification you require.
"Its only a little bit on fire"