Most of the film takes place in an old inn, which has not been in use for years. Yet electricity is readily available when Torkild brings a TV and a video.
Alfred fires his Uzi long enough to empty two or three magazines, without actually changing any.
The rifle presented as a gift in the beginning of the film is said to be an AK-47 but is in fact a Romanian made PSL.
At one point two characters fire a Desert Eagle pistol. This particular gun is extremely powerful with a very strong recoil, normally requiring two hands to fire. However, the characters fire it effortlessly with no noticeable recoil or shock.
The guy bringing the cigarettes "from Poland" in the beginning of the movie does not at all speak Polish, but is actually speaking Russian.