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Posted Jul 26, 2006 12:10 PM
I'm hoping you can help some of us who are shooting swaged HBWC's in .32 S&W Long semi-auto pistols. We are using these in the ISSF Center Fire match.
The short story is many of us seem to have real difficulty getting these bullets to group well. Problems include crummy groups, consistent tipping of most bullets, and even keyholing.
We know you guys have been using HBWCs for decades, and we were wondering if you had any guidance on the following:
1. What seems to be the preferred relationship of barrel diameter to bullet diameter?
2. What seems to be the best twist rate?
3. Does there seem to be a preferred velocity?
Any thoughts you have would be appreciated. We're slowly going nuts trying to get some high dollar pistols to shoot well.
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