That also depends largely on the revolver and factors such as the cylinder gap. I have seen plenty of examples of .44 Mags that do not lose a whole lot of velocity when compared to 6-inch models.


Max Prasac

Semper Fidelis

The Gun Digest Book of Hunting Revolvers:
https://youtu.be/zKJbjjPaNUE

Bovine Bullet Test
https://www.youtube.com/watch?v=mmtZky8T7-k&t=35s

Gun Digest TV's Modern Shooter:
https://www.youtube.com/watch?v=nGo-KMpXPpA&t=7s