[Who is John Galt?]

00 buck won’t... pass through house walls and kill granny in the kitchen 200 yards away.

It also won't penetrate most body armor - something to maybe consider, given the availability of inexpensive surplus vests & panels. The LEOs responding to that North Hollywood bank robbery a few years back had shotguns, but ended up having to borrow rifles from a local sporting goods store...

[Seruzawa]

So, have both in the cruiser. Problem solved.