Thread: Best Powder for 10MM
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Old 02-09-2020, 08:40 PM
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oysterer oysterer is offline
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HS-6 with CCI350s between 7.0 and 8.0 gr. depending on bullet weight. Nothing beats that when accuracy is concerned from my P220.

I look at my targets and it is between 7.0 and 7.25 gr HS-6 and 180 - 200 gr bullets.
Last edited by oysterer; 02-09-2020 at 11:04 PM.
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