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Rifles, Reloading, Optics, Equipment
Reloading
6.5x55 gurus help plz
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<blockquote data-quote="benchracer" data-source="post: 1111897" data-attributes="member: 22069"><p>I recommend a 26" barrel for the 6.5x55, but a 24" barrel is OK. I have a 6.5x55 and a .264 Win Mag with 9 twist barrels. Both shoot 140 VLD's very accurately, but may not do so in all conditions. I have tested the 6.5x55 down to around 1000 feet ASL and 40*F. </p><p></p><p>An 8 twist is a safer bet. My 8 twist 6.5-284 performed better in the wind vs my 6.5x55 @ very similar muzzle velocity, which I attribute to Brian Litz's research showing that effective bc can be degraded by inadequate bullet stability.</p><p></p><p>I don't have any experience with a no-throat or short-throat chamber. My 6.5x55 chamber was cut with a standard reamer and performs very well. I don't see a reason to obsess over throat length for this cartridge. If you want something other than the standard 6.5x55 chamber, I believe the 6.5x55 AI would yield more benefit than tinkering with throat dimensions.</p></blockquote><p></p>
[QUOTE="benchracer, post: 1111897, member: 22069"] I recommend a 26" barrel for the 6.5x55, but a 24" barrel is OK. I have a 6.5x55 and a .264 Win Mag with 9 twist barrels. Both shoot 140 VLD's very accurately, but may not do so in all conditions. I have tested the 6.5x55 down to around 1000 feet ASL and 40*F. An 8 twist is a safer bet. My 8 twist 6.5-284 performed better in the wind vs my 6.5x55 @ very similar muzzle velocity, which I attribute to Brian Litz's research showing that effective bc can be degraded by inadequate bullet stability. I don't have any experience with a no-throat or short-throat chamber. My 6.5x55 chamber was cut with a standard reamer and performs very well. I don't see a reason to obsess over throat length for this cartridge. If you want something other than the standard 6.5x55 chamber, I believe the 6.5x55 AI would yield more benefit than tinkering with throat dimensions. [/QUOTE]
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6.5x55 gurus help plz
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