sierra blitzking .224 50gr expansion speed

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by vitaminado, Sep 27, 2018.

  1. vitaminado

    vitaminado Well-Known Member

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    Apr 30, 2015
    hello.
    I am using this bullet in a 22-250 and I would like to know what is the minimum speed for a reliable expansion.
    They make very good groups in my rifle.


    regards
     
  2. RT2506

    RT2506 Well-Known Member

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    Jan 10, 2008
    I don't know what the minimum speed for expansion would be but I do know that when I tried to push them 3800 fps and above in my 220 Swift they would get out to between 75 and 125 yards and sling themselves apart. I would just see a gray puff in the air. In my 223 Rem. they would really do a number on ground hogs out to 300ish yards.
     
  3. vitaminado

    vitaminado Well-Known Member

    Messages:
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    Apr 30, 2015
    Thanks RT2506
    I sent an email to sierra and they told me that about 2000fps.
    I think a high speed for a varmint bullet.
    I expected around 1500 fps
    I run them from my 22-250 to 3500fps.
    it is a low speed for this caliber, but they group phenomenally and the brass is more durable, as well as the life of the barrel