[learc83]

The number for assault weapons you're using is AR-15 type rifles. That doesn't include AK-47 variants, Ruger Mini-14s, or many others that are considered "assault weapons".

There are estimated to be around 1 million Ruger Mini-14 rifles alone.

Adding all of those rifles to the number and the total number of "assault weapons" and baseball bats are likely to be fairly close--at the very least more than half of your estimate for baseball bats which would put baseball bats ahead.