Ever wonder about longer barrel lengths in 10mm? Well here is some velocity testing for you! It was twenty degrees F when we were testing.
Note: We were at a safe shooting range following all safety rules. Do not try this at home.


Support on Patreon:   / alaskanballistics  

Check out Slav Guns:    / @slavguns  

Check out my other channel:    / @bostcustommusicwriting