An interesting perspective
Imprisoning gun-using offenders is the price of compromise to the Brady Campaign. At least it's good to know they don't actively oppose the idea:
"Gun control advocates have largely supported longer sentences as compromises in order to win support for gun control laws. Chad Ramsey, field director for the anti-gun Brady Campaign to Prevent Gun Violence, says his organization believes such "after-the-fact" laws can be helpful for that reason.
"As part of a broader package, we're not going to oppose things like that," Ramsey said. He added, however, "I don't think criminals go out there and don't commit crimes because they're going to get a slightly longer sentence.""