How about smaller magazines for guns?

Research has found that mandating smaller magazines would force mass shooters to more frequently pause to reload, allowing people to flee or fight back. Several states have adopted such limits, but gun rights advocates are claiming in court that these laws violate the Second Amendment. The issue is likely to come before the Supreme Court -

What is your opinion, and why?

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This really only applies to detachable magazines.
How about smaller magazines for guns?
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