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cdnrokon
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the .35 cal barrel
Jul 2nd, 2024 at 9:22pm
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looking for input on how many groove 6 or 8  for a cast bullet gun based on .358  bullet 1:10 twist finished length of 28"
  
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wesg
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Re: the .35 cal barrel
Reply #1 - Jul 3rd, 2024 at 1:40am
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I'm massively less experienced with cast bullets than *many* on this forum. But my gut is more grooves and narrower lands for cast. More area of contact to spin the bullet without distortion ... or worse...

Erosion of narrow lands a much smaller problem than with a high power rifle with jacketed bullets.
  
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