Gary, What's the optimum barrel length for the 30-30 based gnr cartridge?
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Optimum barrel length
- EJ, 2018-06-18, 20:11
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- 14 to 15 for good powder burn, a bit more for the lightweigh - Gary Reeder, 2018-06-18, 21:38
Gary, What's the optimum barrel length for the 30-30 based gnr cartridge?