Board Thread:Warhammer 40k General Discussion/@comment-6589306-20130228113457/@comment-3580035-20130409034527

Most of the rule stats in 40k give pretty fair comparisons of power, considering you just look at the boltgun strength=.75 rapid fire RPG. However, the two weapons that a lots of people have major gripes with are the Guard shotgun and autogun, both of which are the same strength as the lasgun even through the Lasgun is supremely superior. For most Tyranid weapons though, you can look at their stats for power levels. There's no need for dice rolling against Xenomorphs.

Btw, you'll be surprised how tough Flak armour is even compared to modern day.