'Finnish Space Navy Mark-3 Assault shotgun, or in short FSN MK-3 AS, is nowadays called as The Roomcleaner or Shatterer. Its drumclip is filled with 50 normal or slug headed shells. It's also very effective indoors, but on longer distances its accuracy starts to decrease rapidly.' - Finnish Spacesoldiers Handbook chapter 59, line 25.
I finally got it done(once again without a skin). 3842 polygons.