Originally Posted by
xenofood
I actually can add to this - I've spent many rounds carrying a shotgun with slugs specifically to be a stunner support for marines around me, and that was before the stun time nerf. I managed to stun a lot of xenos and through that I've learned that the stun is worthless unless there's either marines around the xeno to finish it off, OR I can chainstun it, which happened exactly once, due to the xeno being startled and then trying to run away from us in a straight line through a very narrow hallway.
Personally, I don't find the slug stun nerf too bothersome, because even before that it wasn't that great unless in specific conditions. I have no experience with MOU, though, so my experience is limited to the standard pump action.