In one of Tsutomu Nihei's other works, Knights of Sidonia, there is a point where the main character has to snipe something in his mech from an absolutely ridiculous distance (I almost want to say it's measured in astronomical units) and he gets outfitted with an absurdly long rifle. Here is a model

This is a W honestly

What is this?

Persona Kiwami's "Post up anywhere" system.