Banning and/or restricting the sale of ammo is a back door gun ban. This will along with taxation is most likely the way most politians are beginning to lean when it comes to gun restrictions. It is unlikely any ban, restriction, or tax on ammo or guns will have any impact on crime. Criminals don’t follow the law and will find a way to get ammo and guns, to include buying off the black market and just flat out stealing it. Unfortunately this has a potential to even increase crime as criminals now know that it is less likely their victim has a means to defend themselves. There is some gun related crime that would go down. That is stuff that happens in the heat of the moment, crimes of passion. However, crimes like these make up only a small percentage of gun crime and other deadly weapons such as knives or bats may still be used.