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Old February 25, 2017, 05:05 PM   #1
MuzzleBlast
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6.5CM ream to 260REM?

Just out of curiosity, if I have a 6.5 Creedmoor AR10 barrel, would it be possible to ream it to 260 Remington?
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Old February 26, 2017, 08:23 AM   #2
Roughedge
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No, The shoulder of the 6.5 is wider than the 260 so it would be gap in the new chamber. Just try to find a 260 barrel.
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Old February 26, 2017, 09:53 AM   #3
MarkCO
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Why would you want to go from 6.5CM to .260 in an AR pattern?

While I prefer the .260 over the 6.5CM, the CM was largely a solution for magazine length issues in the AR patterns.
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Old February 26, 2017, 02:54 PM   #4
T. O'Heir
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Creedmoor's case is slightly bigger than the Remington just about everywhere.
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Old February 27, 2017, 12:54 PM   #5
MuzzleBlast
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Quote:
Why would you want to go from 6.5CM to .260 in an AR pattern?
Just hypothetical if I already had a .260 bolt gun with all the dies and brass.
Got my answer, though.
Turns out X-Caliber makes .260 AR barrels for a good price.
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Old February 27, 2017, 01:01 PM   #6
MarkCO
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Fair enough. When I had .260Rem in an AR pattern, I got the best results with the 123 and 130s.
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