Federal Aid in Wildlife Restoration excise taxes are generated by hunting-related and non-hunting related activities. Non-hunting activities include recreational shooting, home and self-defense, firearms collecting, and non-law enforcement or military work-related purchases. This updated white paper is intended to help readers understand the volume of Federal Aid in Wildlife Restoration (WR) excise tax revenues generated by hunting and non-hunting activities in 2020. The results show 74.2% of all taxable firearm and ammunition retail sales are from non-hunting purposes. Compared to the original white-paper, the percentage of WR excise taxes attributable to hunting-related activities in 2020 decline to 25.8% level from 36.2% in 2016.