I totally get a 2.5 or 3" gun being more than a 4" or 5", but a 4" to 5" isn't enough of a difference to me to understand. Pretty much well in my eyes, a 4" to about 6.5" should be about the same in price.
And, we even see big differences in 2.5" to 3" guns, but that's more about scarcity. I...