This bill requires the Office of the Inspector General in the Department of Justice to report to Congress on the number of (1) firearm transfer denials issued by the National Instant Criminal Background Check System that are referred to the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) for investigation; (2) prosecutions resulting from such investigations; and (3) firearms recovered by the ATF in cases in which a denial was issued by the system after a firearm was transferred.