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Recent content by gorillamotors

  1. G

    338 Lapua Magnum

    New Hodgdon burn rate chart Nov 2023.
  2. G

    338 Lapua Magnum

    869 is a very dirty powder. I have no experience with N570. Retumbo and H1000 are my top 2 goto powders for the 338LM.
  3. G

    338 Lapua Magnum

    It sounds like you are an experienced reloader so I will discount that aspect. To get those variations in velocity I believe it must be either inconsistent powder charges or chronograph is bad. What do you use for measuring your powder charges? What do you use for your chronograph?
  4. G

    6GT current loads and progress

    What is the parent case for the 6GT or is there any?
  5. G

    338 Lapua Magnum

    Powder Valley now has some Hodgdon H1000 1#s for $49/lb. I just bought 30#. Several other vendors now have H1000 but at $55/lb and higher. Wish they had Retumbo available as that is my preferred powder for my 338 Lapua Magnum but H1000 is my 2nd choice.
  6. G

    6GT current loads and progress

    What rifle case is that?
  7. G

    338 Lapua Magnum

    Has anyone tried Peterson 338 Lapua brass? I've used their 6.5 Creedmoor brass and it's on par with Lapua and Alpha brass.
  8. G

    338 Lapua Magnum

    BridgerMT: What powder did you use? Has anyone tried the new Winchester StaBALL HD powder in the 338 Lapua Magnum?
  9. G

    338 Lapua Magnum

    So what is your preferred powder (one that is readily available) for the 338LM?
  10. G

    338 Lapua Magnum

    Thank you
  11. G

    338 Lapua Magnum

    I see no N568 on any Hodgdon burn rate chart. Please send link to that chart.
  12. G

    338 Lapua Magnum

    Jeff, Where do you get these targets? Jim
  13. G

    338 Lapua Magnum

    Looks like you have 2 nodes. 85.5/86.0 & 88.0/88.5 I would probably do a ladder test from 88.0-99.5 in 0.1 increments with 3 shot groupings assuming you have the supplies. Thanks for the info.
  14. G

    338 Lapua Magnum

    True.
  15. G

    338 Lapua Magnum

    According to Hodgdons website you can use 85gn H4831SC with a 250 gn bullet and have a muzzle velocity 2740 and pressure of only 52000. With a 300 and 79.0 gn H4831SC powder you get 2511 at 53000 psi. Not as good as Retumbo but very doable. You seem to be only using software to make your...
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