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My idea would be that the guns and weapons kind of stick to the mouse, instead of the wonky physics that make it hard to shoot.
It's a generic naming convention I use for guns of the same type that have real-life counterparts (can't use the real names due to boring legal stuff.) Basically it's a bit more interesting than "Assault Rifle 2", and a bit more informative since the letter matches its counterpart (e.g. G=Galil iirc.)
Under rating threshold (hideshow)
I can't search anything on the object search tab with the little shapes. When I tap like the d button it doesn't show up.