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  1. #1
    Legacy Member ActionYobbo's Avatar
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    Quote Originally Posted by Parashooter View Post
    Too many variables for accurate prediction -
    • Brass composition
    • Brass hardness
    • Brass thickness
    • Chamber pressure
    • Chamber finish
    • Presence of lubricant on case or in chamber
    Here's one example -


    http://www.milsurps.com/images/impor...7/afk9ia-1.jpg
    what you are doing there is a very dangerous practice. what you are doing is forcing all the chamber pressure to become bolt thrust. The case under pressure is suppose to stick to the chamber walls but by adding lube to prevent this from happening you are basically firing a proof round every time as the locking lugs are taking all the weight.
    Chambers should be clean and dry and cases should be clean and dry.
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    Last edited by ActionYobbo; 08-12-2017 at 06:48 PM.
    1ATSR 177AD & 4/3 RNSWR

  2. #2
    Advisory Panel browningautorifle's Avatar
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    Quote Originally Posted by Mr E View Post
    you are basically firing a proof round every time
    Quote Originally Posted by Mr E View Post
    a very dangerous practice.
    I agree sir...
    Regards, Jim

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