I imagine it's difficult to get good numbers on ownership though as the cross section of people who would not disclose firearm ownership to the government or po

I imagine it's difficult to get good numbers on ownership though as the cross section of people who would not disclose firearm ownership to the government or polling agency would also be likely to own a firearm. This is compounded by the fact that firearms last upwards of 100 years with minimal maintenance and there are healthy secondary and black markets for them.