I obsess when I get a new toy. It's just the way I'm wired. :D
Out of curiosity I measured the length of my 3" GP100 from the back of the cylinder to the muzzle and got approximately 4.6". It appears that the Glock 20 has a barrel that is 4.6" So it looks like we have a way to test how much difference Glock's polygonal rifling and Ruger's tight cylinder gap make velocity wise.
Now I need a new chronograph...
and a Glock 20...
and lots of ammo. 8)
Lol, don't we all 😂
Yep when it comes to the revolver they don't add the cylinder length as barrel length like a semi auto... so it will be a nice comparison to see what velocity differences considering the cylinder gap.