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Also keep in mind that one background check may represent the sale of several firearms. One additional data point - nearly 9 million guns were manufactured or

• scottkduncan 13y ago
  From the same article, it says there were 16.5 million background checks during 2010. Perhaps the ratio between the number of new guns manufactured/imported into the U.S. is relatively stable with the number of background checks. If so, 168M background checks since 1993 would mean about 90M new guns in the United States during that period.