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Thread: what causes differences in OAL with a comparator ?

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  1. #1
    Member
    Join Date
    May 2020
    Location
    Palmerston North
    Posts
    277
    I’ve measured several boxes of Hornady and Sierra with a comparator. A box of Hornady projectiles have a variance of 0.13mm and Sierra 0.08mm. As for what’s safe for seating depth tolerance it would be beat to test it.

  2. #2
    Member
    Join Date
    May 2018
    Location
    wellington
    Posts
    1,865
    I literally spend the time, pulling and seating them all to the perfect depth. But that would definatly cause my discrepancy
    \

 

 

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