Some will obey. A few might fight. The others will hide them.
And the legal market will encourage people to select magnum revolvers, compact 9s, 40s, and 45s, and Pump shotguns.
So now your mass shooter will have a 12 gauge or a 357 mag. Lovely.
Charles Whitman used a Remington 700 (bolt action), Lee Harvery Oswald used a $19.95 Carcano Model 91/38 carbine (bolt action) and James Earl Ray used a Remington Model 760 Gamemaster (pump-action). It doesn't take an unusually expensive firearm for a skilled shooter to cause a great amount of damage.
No matter what the gun grabbers do, mass shootings are relatively rare (that's why they make the news). The favored firearms among Chicago gangsters will continue to be revolvers and Glocks (killings so common that Chicago will only make the news if this weekend's murder total is low).
They should leave the state and take their guns out of state. Jerry Brown is a criminal who needs o be removed from office. Granting voting rights to non-citizens is so outrageous as to constitute a crime.
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>> “So now your mass shooter will have a 12 gauge or a 357 mag. Lovely.” <<
Mass shooters will have whatever they damn please. They don’t have to obey any laws.
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