180 gr Partition w/cannelure

Discussion in 'Reloading' started by brokenspoke, Aug 30, 2009.

  1. brokenspoke

    brokenspoke Member

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    Jan 1, 2006
    Has anyone experimented with the partitions with & without the cannelure? I just got some 180's with a cannelure & was wondering how much different if any they will shoot than the ones without. If anyone has any experience with them I'd like to hear it.
     
  2. fireroad

    fireroad Well-Known Member

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    308
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    Apr 22, 2009
    Not with 180 gr Partitions but with 160 gr Partitions out of a 280 Rem. Shooting out to 300 yds I didn't notice any measurable difference in group size between those with and those without cannelures. YMMV.