Can anyone using this system tell me why you shouldn't just use a Wilson inline seating die in conjunction with the depth micrometer instead of the case gauges themselves?
Wilson case gauges
- Thread starter Clavius-Walker
- Start date
bozo699
Gold $$ Contributor
I don’t use the case gauges but I do use the trimmer and seating dies. And a few f/l bushing sizing dies by wilson.
Wayne
The Wilson case gauges have a .005 step to assess the degree of sizing. The idea is to set the F/L die so the sized case fits in the middle of the step which would give you an approximate .0025 bump. These gauges were designed for SAMMI chambers and to prevent gross over sizing, i.e, going below the bottom step. In my opinion, this is not be best or most precise method for measuring bump and / or setting up your F/L die.
However, combined with their relatively new micrometer head attachment, you can now use your case gauge like a bump gauge and caliper to more precisely measure bump.
A more cost-effective alternative is a standard bump gauge with a caliper which is the system used by most today.
However, combined with their relatively new micrometer head attachment, you can now use your case gauge like a bump gauge and caliper to more precisely measure bump.
A more cost-effective alternative is a standard bump gauge with a caliper which is the system used by most today.
The case gauges and depth micrometer work together to map shoulder bump measurements ... the inline seating die is used with an AMP Press or Arbor Press to accurately seat a bullet. Two different things ... two different purposes. I use the gauge and micrometer before sizing to accurately bump my shoulders. I use the inline seating dies with my AMP Press to get consistent seating depth and seating force.
Next time you go to check your shoulder bump, use the seating die along with the depth micrometer.
I think you'll find that you can get the exact same comparisons.
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