Simonov pistol is a weapon which is easy to put in your ass. Just use some vaselin and voila. It's in there.Also, shooting it inside your butthole could cause intestinal problems and bloody hameroids.

Simonov pistol is a very good weapon, cheap, that could help you kill mass of zombies while you're quite poor; only 1 problem : you sometime have to win a lot of coop games to get it.