-Operating in temps below -40C? Not a problem.
-Iron sights, because optics won't survive the cold and give your position away, anyway? Piece of cake.
-Half your face shot off? Just doin' the job, man.
-Total body count? Oh, around 700 (200 up close with a sub-machine gun).
Any way you slice it, Simo Häyhä was a stone cold stud (no pun intended). Yeah, "the White Death" is a pretty pretentious moniker, but I'd say he earned it...
H/t to AoSHQ