Buy a sawed off where the barrel is shorter then the shell
that doesn't even make sense
They're standard in Austrian military (oh jeez I wonder why maybe because Steyr is Austrian lol)
no stuff sherlock
why the hell are you getting a bullpup just get a sporting rifle / shotgun like a normal person and save your loving money
Just buy a revolver and use the extra money to buy a tractor to recreate this masterpiece: https://youtu.be/k8q5I_ziWEs
i would try the SA80/L85--oh wait that gun is british