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Thread: 400 Blk ever happen?

  1. #11
    Join Date
    Mar 2011
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    Why would you want to load a bullet that is the same weight but less efficient in flight, and designed for a pistol?

    What are you trying to accomplish that can't be done much better with an existing round?


    .300blk at least has a very specific purpose: feed and fire in an Ar15 with only a barrel change, be a suppressed very well, and switch from subsonic to supersonic with changes tot he gun.

  2. #12
    Join Date
    Jun 2006
    Posts
    1,760
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    .400 Whelen is a .411 on a 30-06 case. The shoulder has to be blown out .010-015" to headspace properly. In a .308 the shorter case might actually work better for this.

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