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Thread: Opening up Tight neck chamber

  1. #1
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    Opening up Tight neck chamber

    Hello Knowledgeable Ones (and others).

    I have a 223 target rifle that has a tight neck chamber (so marked at .250 so only "relatively" tight) - it shoots superbly and has gotten me placings in a few FTR matches BUT its a right royal pain to reload for with the brass requiring strict segregation and special prep, and even them I strike the occasional refusal to chamber.

    Has anyone had a chamber like this opened up, if so what were the effects on accuracy ??

    Its a Kreiger cut rifled barrel with a very low round count so I'm a bit hesitant about an "experiment" !!

  2. #2
    Member zimmer's Avatar
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    What does your case neck wall thickness measure at?

  3. #3
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    Overall neck dimension of loaded rounds is .248 and some of them still refuse to chamber
    akaroa1 likes this.

  4. #4
    Terminator Products Kiwi Greg's Avatar
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    Quote Originally Posted by Tentman View Post
    Overall neck dimension of loaded rounds is .248 and some of them still refuse to chamber
    Neck turn them to 246-247 overall loaded neck dimension

 

 

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