Krouse, William J. (October 10, 2017). Gun Control: "Bump-Fire" Stocks(PDF). Washington, D.C.: Congressional Research Service. Archived from the original(PDF) on April 21, 2023. Retrieved December 12, 2017.
Peck, Sarah Herman (April 11, 2018). ATF's Ability to Regulate "Bump Stocks"(PDF). Washington, DC: Congressional Research Service. Archived from the original(PDF) on April 23, 2023. Retrieved April 18, 2018.
US patent 6101918, William Akins, "Method and apparatus for accelerating the cyclic firing rate of a semi-automatic firearm", published 15 Aug 2000, assigned to William Akins
US patent 8,127,658, Jeremiah Cottle, "Method of shooting a semi-automatic firearm", published 6 March 2012, assigned to Slide Fire Solutions, Inc.
Krouse, William J. (October 10, 2017). Gun Control: "Bump-Fire" Stocks(PDF). Washington, D.C.: Congressional Research Service. Archived from the original(PDF) on April 21, 2023. Retrieved December 12, 2017.
Peck, Sarah Herman (April 11, 2018). ATF's Ability to Regulate "Bump Stocks"(PDF). Washington, DC: Congressional Research Service. Archived from the original(PDF) on April 23, 2023. Retrieved April 18, 2018.