U.S. flag

An official website of the United States government, Department of Justice.

NIJ Training Course for Firearm Examiners: Die Extrusion for the Development and Manufacture of Small Arms Ammunition

An interactive tool used to supplement the NIJ online training course entitled 'Firearm Examiner Training', as outlined in the fifth learning module, 'Small Arms Ammunition'. This brief animation portrays the use of variable cutter rotation speeds to produce cylindrical or disk/flake shapes of metal workpieces. 

Date Published: June 23, 2020