Something what would make everyone less unhappy and maybe solve part of the problem.

Just reduce any rifles legal magazine size to 10 and make it illegal to own higher capacity types. This effects the magazine only not the rifles themselves.

Have a buy back program for those magazines to soften the blow.

Enforce the hell out of it with large fines and jail time for trying to sell them.

Hunters don’t use large magazines so they won’t care.

The 2nd Amendment doesn’t say anything about magazines.