I was trimming 308 cases with this trimmer tonight and couldn't get under 2.009-2.011 with a suggested trim to length of 2.005. I was using the drill attachment and rcbs shell holder. Guide rod was all the way in the cutting tool.
223 brass was a little better, averaging .002-.003 longer than trim to length.
Is there any way to fix this? Should I grind down the guide rod a few thousands or just leave it as is? I want to try to avoid trimming after every firing.
223 brass was a little better, averaging .002-.003 longer than trim to length.
Is there any way to fix this? Should I grind down the guide rod a few thousands or just leave it as is? I want to try to avoid trimming after every firing.

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