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Thread: ? Head Space

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  1. #1
    Banned
    Join Date
    Mar 2015
    Location
    North Canterbury
    Posts
    5,462
    The problem I see is that your AI chamber likely will NOT match the AI dies that you buy nor will it likely match the headspace gauge unless a gunsmith had all three items in front of them at the time the chamber was cut. What this means is that even if the headspace is set to be four thou less than standard 7m08, ( which allows you to fire factory 7m08 ammo) the dies bought may still be different. Not to put you off at all but just proceed with caution and neck size only just enough to chamber on a firm bolt for the fire-form cases.

  2. #2
    Member
    Join Date
    Jul 2015
    Location
    Christchurch
    Posts
    1,444
    Realising as much as I have a hankering to down size for 30cal to 7mm, the 308 is only getting limited use and is perfectly adequate for the distances and hunting I do, and should see me out. So will move this on.
    7mm08 ackley improved tikka barrel, dies and fireformed cases. Be in the FS section info and price the same but plus postage.

 

 

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