9mm will be the big-boy-on-the-block as long as it's the police and US military standard. Plus it offers the average owner a good balance of capacity, bullet options and target penetration.
There will always be other options available, but they might be priced higher due to lower production runs. 380, 357mag, 44mag, 45ACP and 38 SPL will always be around.
There will always be other options available, but they might be priced higher due to lower production runs. 380, 357mag, 44mag, 45ACP and 38 SPL will always be around.


