Kevbee Posted January 23, 2017 Report Share Posted January 23, 2017 Has anyone any info on 20/47 ie throat life, bullet speeds and case prep? I have a .243 and I'm getting it rebarreled. I was thinking 22.250 and then someone mentioned 20/47 and it sounds exciting but I can't find much info. Link to comment Share on other sites More sharing options...
Alycidon Posted January 28, 2017 Report Share Posted January 28, 2017 There is another thread here with exactly the same info needed. Have just posted on it. A Link to comment Share on other sites More sharing options...
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