The number of background checks should roughly track non-military firearm sales. There were 2.4m of those in March 2017 per the FBI [1]. (No, this doesn't speak

The number of background checks should roughly track non-military firearm sales. There were 2.4m of those in March 2017 per the FBI [1]. (No, this doesn't speak directly to your question about manufacturing levels, but this does roughly track how many firearms are available for transfer.) So yeah, there are more than enough guns in America to support this level of smuggling. 1 - https://www.fbi.gov/file-repository/nics_firearm_checks_-_month_year.pdf/view https://www.fbi.gov/file-repository/nics_firearm_checks_-_mo...