Why COPS use .40: Q & A With a Cop

You asked (repeatedly) "Why not 9mm?", "Why not .45?", ect. The answer is multifaceted. The FBI recently did a bunch of testing and determined that 9mm is the best for their purposes, but why might it not be best for everyone else. Check out my duty belt video here:    • Police Duty Belt: A Closer Look   Join the Shift over at the Patreon page:   / freefieldtraining   Follow me on Instagram:   / tommy_freefieldtraining   Graphic design credits: Devin https://www.youtube.com/channel/UC77FNJ Website: https://www.freefieldtraining.com/ Instagram:   / tommy_freefieldtraining   Facebook:   / freefieldtraining   Podcast: https://www.freefieldtrainingpodcast.... Safe Life Defense Body Armor: https://safelifedefense.com/ref/Tommy... Use code "FFT10" for 10% off everything ASP batons, handcuffs, zip cuffs, and accessories: Allegiance Holsters: https://www.allegianceholsters.com/ Use code "FFT15" for 15% off everything Harry's Holsters: https://harrysholsters.com/ Use code "freefieldtraining" Guardian Angel Devices personal safety warning light: https://www.guardianangeldevices.com/... Use code "80CLIP" for free shipping and a free accessory