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Long Range Hunting & Shooting
Lost 100 fps after 550 rounds
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<blockquote data-quote="QuietTexan" data-source="post: 2931094" data-attributes="member: 116181"><p>I agree with what's been said - CF Barrel + N570 = throat is toasty, barrel is done pending accuracy loss IMO.</p><p></p><p>Two points:</p><p>1 - if it groups then a 100FPS loss isn't anything to worry about. Negligible ballistic change to me, if the 100 FPS is super critical then the easier answer is next time step up cartridge size, 30 Sherman, 300 RUM, something like that, so that as the barrel dies you keep what you need. Can also run slower out of the gate or use a different powder and maybe it lasts longer.</p><p></p><p>2- Great chance to bore scope the barrel (I take videos via my Teslong camera), and clean in ways you would never have thought to before. There's no risk since it's almost dead right? So try the red Iosso, try a steel brush, try Tubbs lapping bullets, something you've heard about but never wanted to risk in a good barrel. I was surprised how none of the bad things I read about on the internet happened (ie nylon brushes carving grooves in the rifling) and how much easier some of the things I learned made my life.</p></blockquote><p></p>
[QUOTE="QuietTexan, post: 2931094, member: 116181"] I agree with what's been said - CF Barrel + N570 = throat is toasty, barrel is done pending accuracy loss IMO. Two points: 1 - if it groups then a 100FPS loss isn't anything to worry about. Negligible ballistic change to me, if the 100 FPS is super critical then the easier answer is next time step up cartridge size, 30 Sherman, 300 RUM, something like that, so that as the barrel dies you keep what you need. Can also run slower out of the gate or use a different powder and maybe it lasts longer. 2- Great chance to bore scope the barrel (I take videos via my Teslong camera), and clean in ways you would never have thought to before. There's no risk since it's almost dead right? So try the red Iosso, try a steel brush, try Tubbs lapping bullets, something you've heard about but never wanted to risk in a good barrel. I was surprised how none of the bad things I read about on the internet happened (ie nylon brushes carving grooves in the rifling) and how much easier some of the things I learned made my life. [/QUOTE]
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Lost 100 fps after 550 rounds
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