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Thread: Lee molds

  1. #1

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    Lee molds

    What size mold do I need for a 300 blkout would it be .308


  2. #2
    Jay Andrew's Avatar
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    IMG_2927.JPG

    Pretty much any of the molds on the top row could be used for 300 BLK. The bullets will drop out at .309-.311 depending on the alloy.

    I don’t know if your looking for a subsonic round or a supersonic round. I am assuming subsonic, in which case the 200-230gr options are your best bet.


    Check out my website!
    www.theballisticassistant.com


  3. #3

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    I'm powder coating Lee's c309-160-R, using 18.0gr of 2230 and averaging 1492fps in a 16" barrel and 1315fps in a 7 1/2" barrel.
    My BHN11 alloy is dropping at 166gr, gas checked before coating and resized at .309" after coating, OAL 1.940".
    Resizing for consistency and expanding the case mouth is usually a must. This reduces shaving the bullets or damaging the case neck when seating the bullet.


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