Not having anything but the S5 and Wardog in that range and the next up being 7 1/2 inches I would probably lean heavily toward the Bulldog Regulator. I like that knife.
IF I could have three, it would be
Bulldog Wardog (torn between that, the S5 or 411) Muppy.
If you’re not Paranoid, You’re not paying attention Be a Sheepdog JYD#105