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Barrel fouls after 5 shots?

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  #1  
Unread 10-21-2012, 09:32 AM
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Barrel fouls after 5 shots?

Can anyone explain this to me. I have a gun that shoots 5 shots into about 1/2" after cleaning, then the groups open up to about 3". When I clean, it has very little copper in the barrel.
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    Unread 10-21-2012, 09:00 PM
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    Re: Barrel fouls after 5 shots?

    Quote:
    Originally Posted by Robinhood493 View Post
    Can anyone explain this to me. I have a gun that shoots 5 shots into about 1/2" after cleaning, then the groups open up to about 3". When I clean, it has very little copper in the barrel.
    Are these shots fired consecutively? In other words, does this happen when you fire more than 5 shots in one sitting, and have you fired 5 shots on a different day with a fouled bore?.......Rich
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    Unread 10-21-2012, 10:12 PM
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    Re: Barrel fouls after 5 shots?

    Quote:
    Originally Posted by elkaholic View Post
    Are these shots fired consecutively? In other words, does this happen when you fire more than 5 shots in one sitting, and have you fired 5 shots on a different day with a fouled bore?.......Rich
    Yes shots are fired consecutively. I tried this 3 times and had the same results. I shot as many as 20 shots and the gun didn't settle down.
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    Unread 10-21-2012, 10:16 PM
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    Re: Barrel fouls after 5 shots?

    Quote:
    Originally Posted by Robinhood493 View Post
    Yes shots are fired consecutively. I tried this 3 times and had the same results. I shot as many as 20 shots and the gun didn't settle down.
    OK, but have you fired the rifle with a fouled bore at a later time or have you cleaned every time?
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    Unread 10-21-2012, 10:19 PM
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    Re: Barrel fouls after 5 shots?

    Quote:
    Originally Posted by elkaholic View Post
    OK, but have you fired the rifle with a fouled bore at a later time or have you cleaned every time?
    I tried shooting another day without cleaning, same result. I have never seen this happen before.
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      #6  
    Unread 10-21-2012, 10:23 PM
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    Re: Barrel fouls after 5 shots?

    I was thinking that you may have had a bedding/barrel heating problem, but if it repeats itself with a cold/fouled bore, that is curious? So the first five shots out of the fouled bore do not group either. Is that correct?
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    Unread 10-21-2012, 10:28 PM
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    Re: Barrel fouls after 5 shots?

    Quote:
    Originally Posted by elkaholic View Post
    I was thinking that you may have had a bedding/barrel heating problem, but if it repeats itself with a cold/fouled bore, that is curious? So the first five shots out of the fouled bore do not group either. Is that correct?
    Yes, you are correct. When I shoot I wait at least 10 min between shots. The barrel is not even warm for the next shot. I do think I am having some bedding issues. What gets me is that the first 5 shots from a squeaky clean bore are great. It's opposite from what you normally see.
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