So there is interest, money and probably a projected market (hence the first two). Let this continue and see where it leads. I venture to say any reliable outcome will be on a blueprint-up firearm, perhaps closer in design to a rail gun. Curiously, if a strong market develops, there will be another increase in arms sales, and no unpalatable political mandates will be necessary.

The biometric lock boxes are a good thing, though some models exhibit failures. As long as it locks up when unattended by the owner, that's okay for me.