Not much apparently
MG 42 for comparison: vignette4.wikia.nocookie.net/companyofheroes/images/9/97/Coh_2_screen_2.png/revision/latest?cb=20130624182142&path-prefix=en (hotlinking and hyperlinking with text won't work on this image so just pretend it's displayed proper)
then reduce it by 30%