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Thread: I need load data for Speer grand slams

  1. #11
    CCGF Diplomatic Ambassador
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    Jul 2012
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    .284 grand slams in 145gr.
    Before the barrel swap it would shoot 160gr SGK with unbelievable accuracy. But the new barrel will not group them better than 1 1/2-2". Well let me rephrase that, it does not seem to like them pushed by imr 4831, another powder choice might have different results. Now the good news is 150gr core lokt store bought grouped at 1 1/4", so I always have a back up.

  2. #12
    Graduate SB's Avatar
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    Jul 2012
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    Putting the Harm in Pharmacist

  3. #13
    CCGF Brick Wall BlueBronco's Avatar
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    Apr 2012
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    Leon County
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    Quote Originally Posted by SB View Post
    Got a Speer book too, soon as I get back from freakin jury duty I'll check it out and see if it is different.
    I got a damn notice out of the mail today. Seems like I get one ever 14 months.
    "If our lives are endangered by plots or violence or armed robbers or enemies then every method of protecting ourselves is morally right" -- Cicero

    "Governor, I haven't let another man touch my gun since 1861."

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