Long gun is the accepted term in Canada for a rifle, hell we even had the much loved long gun registery *insert sarcasm for*
How do I suggest measuring reasonably sane, well as I said I like the system we have in Canada, is it perfect, no, but it is probably a step better than nothing.
As long as guns exist they will fall into the wrong hands, as long as there are people with guns there will be the odd crazy with a gun, that is inevitable.
Is my comfort level higher up here knowing that people who legally hold a firearm have completed a safety course, applied for a permit, gone through a cooling off period, had their relatives questioned, before they bought their gun, HELL YES.
Once I completed those steps I can take my licence anywhere and but another rifle, can buy a new gun every day for years if I want to, so I don't feel my rights are restricted at all.
But I did come from the UK where it is next to impossible to get a licence without a really good reason, and the vast majority of households do not keep weapons.