Marketed as a 20mm hand cannon, the RT20 fires the largest 20mm cartridge of any currently available anti-materiel rifle (most other 20mm rifles are chambered for the Russian 20x99mm R ShVAK round ...

Manufacturing Process for 20 mm Cartridge Cases. Blanking, Cupping and Annealing. The brass blanks were first annealed in a continuous rotary, electrically heated, ‘Birlec’ furnace, ...

Interested parties are invited to submit cost estimates and their experience in designing, assembling, installing and delivering a cartridge-case shredding system by Dec. 16.

Looking at the data from April, the Jefferson County Crime Lab told FOX31 they were able to return results to local agencies, on average, 4.7 days after receiving a cartridge case in the lab.