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Thread: M40A1 and MST-100 Reloading Data?

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    M40A1 and MST-100 Reloading Data?

    Those of you with spec M40A1 builds using a MST-100 or Unertl 10X, what is the recipe you are using to match the BDC?

    I know that the USMC has issued 173 grain Match "White Box" M118, 173 grain Special Ball and 175 grain M118LR, and I am assuming that the Unertl/MST-100 is set up for the White Box, but what is the load actually working for you?

    Thanks.

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    Re: M40A1 and MST-100 Reloading Data?

    Anyone want to share their reloading data?

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    Re: M40A1 and MST-100 Reloading Data?

    Mine tracks great out to 1000 with 43.1gr of RL-15, in LC LR or Match brass topped with a 175
    Angry Wall of Meat

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    Re: M40A1 and MST-100 Reloading Data?

    Per a friend who has this pretty nailed down...

    Lapua case
    43.6gr Varget
    210m
    175 SMK

    That's the load I'll be trying in my A1 when it's done.

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    Re: M40A1 and MST-100 Reloading Data?

    I once read that army loads IMR 4064. Or did at one time. I will try it when my MS 100 comes back from repair.