P90. High capacity, good cartridge (albeit expensive), bullpup, relatively compact and discreetly shaped. It’s the best in its form factor.

>>63940673
Any time you may want more than a conceal carry, but it’s unacceptable to open carry a rifle. For example: living in South Africa or other failing societies, going to protests and other politically charged events, going to religious gatherings, going to school in the USA, etc.