No it won't, not at all. The NRA would just demand increased security and money would pour in for it.Said before a gun violence attack on nra HQ would make a difference.
Add in one attacking the Supreme Court, might get their successors thinking …
These people don't care about sanctity of life. They're doing it for the $$$.
They just need to amend the 2nd amendment so that it can't possibly be as badly misconstrued as it's being now, where they completely ignore the first half of the amendment. Just get rid of the second half altogether.
States have the absolute right to restrict gun ownership to personal protection or hunting purposes and to maintain a regulated militia who cannot personally carry or store their weapons.