Reply To: Lenght vs Velocity

[Anonymous]

You pick my curiosity, I’ve found these two test done on standard manufactured cartridges for 9mm and 45ACP.

.45 ACP Velocity : Testing A Modern Classics’ Power & Performance

9mm Velocity Testing Shows Barrel Length is King

Interesting that a longer barrel in 9mm yield a higher muzzle speed but that’s not generally true for the 45. Unless there is something else at play I am not aware of. And there is a lot I do not know. 🙂