Sometimes, the only way to shoot someone is to run away to a rather tall building and then shoot them from there. These guns are made for this purpose, but are still usable up close and personal.

This contains:

Platypus.70 | Chromium
R93 | Grenade Repellant
Lebensauger | Neon Eliminator
Lebensauger | Chromium Ultimatum

(cover image is an edit of the image here: https://commons.wikimedia.org/wiki/File:Accuracy_International_Arctic_Warfare_-_Psg_90.jpg and all relevant attributions are there)