season four I think question?

[gowestiii]

I have a question, does anybody know in what episode SG-1 stopped using MP-5's and started using FN-P-90's?

 

[Raptor]

Actually, Amanda answered this at her Melbourne con... The shells in an MP5 eject to the side, and she (and others) got their fair share of burns. The P-90 ejects the shells downwards, so it's much safer.
Raptor

 

[PTeppic]

Originally posted by gowestiii
I have a question, does anybody know in what episode SG-1 stopped using MP-5's and started using FN-P-90's?

The episode was "The First Ones".

Whilst the above answer is problably a good part of the "why", it has been quoted elsewhere here on ASciFi that the on-site military adviser(s) also suggested the change, to stay in line with "current" US military practice...