Background checks delayed more than 3 business days are 4 times more likely to result in a denial determination.

Everytown Research analysis of Federal Bureau of Investigation, NICS Operations Reports 2015–2019, https://bit.ly/36nWN6X. Of the 76,693 checks that were delayed past three business days and resolved within 90 days annually, 4,059 checks were later found to have resulted in illegal sales—or 5.3 percent. Each year, of the 7,732,373 checks processed by the FBI that were immediately resolved, 102,717 were denied—or 1.3 percent.