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Backboring question...

Discussion in 'Shooting Related Threads' started by chuckles, Jul 30, 2009.

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  1. chuckles

    chuckles Member

    Joined:
    Jan 29, 1998
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    Location:
    Michigan
    How effective is backboring and lengthening the forcing cones...?

    Looking for larger more uniform patterns at 27yd+, 30, 35 and 40 yd...

    What is best or recommended barrel bore, is .740 to .750 adequate...?

    regards
     
  2. OldGoat

    OldGoat Well-Known Member

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    Location:
    Overland Park KS
    chuckles, PM sent. Best Regards, Ed
     
  3. KEYBEAR

    KEYBEAR Active Member

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    Jan 29, 1998
    Messages:
    3,222
    I don,t like anything over 742 unless you only shoot in warm weather .
     
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