Originally Posted By: 2-piper
I highly recommend the 6" flexible scale method. You cannot accurately "Feel" the start of a normal cone, but you can hold the barrels up to a light source, not overly bright though, & looking through the bore measure to the shadow line keeping the scale along the inner wall & where you can see it.


For those unaccustomed to using these handy little measuring "sticks", there is nothing special about the fact that it is flexible, for measuring chamber lengths. That is just a common way of referring to the little stainless steel measuring scales. Flexibility in it is not a requirement for measuring chamber lengths.

SRH

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