Resources

Gun/Knife Shows

https://gunshowtrader.com/gunshows/oregon-gun-shows/

History & Developments

Ancient History. https://firearmshistory.blogspot.com/2014/03/ancient-techniques-of-rifling-machines-i.html

Ballistics. https://aegisacademy.com/blogs/test-blog-post/internal-ballistics-part-1-cycle-of-operation-and-firearm-function 

Twist Rate Calculator. https://bergerbullets.com/twist-rate-calculator/ 

Laws & Legislation 

https://www.atf.gov/firearms/state-laws-and-published-ordinances-firearms-35th-edition

https://www.orcities.org/application/files/8316/9047/1928/Guide-LocalGovernmentRegulationofFirearmsinOregon-updated6-23.pdf

https://everytownresearch.org/rankings/state/oregon/