25 Creedmoor /107 Hammer HBC

Has anyone used these yet? And is there any load data someone might have.

Hodgdon / published-style data (107 gr class)

  • H4350
    • Start: ~41.0 gr
    • Max: ~46.0 gr
    • ~2825 → 3135 fps
  • StaBALL 6.5
    • Start: ~43.4 gr
    • Max: ~47.2 gr
    • ~2920 → 3200 fps
  • CFE 223
    • Start: ~39.0 gr
    • Max: ~41.5 gr
    • ~2960 → 3075 fps
  • Ramshot Big Game
    • Start: ~41.9 gr
    • Max: ~46.5 gr
    • ~2875 → 3190 fps

@00force You may already know this, so forgive me if you’ve already checked. But there’s a thread dedicated to the HBC’s on the Hammertime forum, that also has a spreadsheet of loading data that people have volunteered. It seems there’s only a couple entries for the combo you’re asking about, but it’s a start.

If you haven’t already, I’d install (GRT) - Gordon’s Reloading Tool on a computer, create a Discord account, join the GRT Discord channel, and you can download the 25CM profile to your local GRT instance you installed on your home computer. From there you can tweak and experiment with all of the powders and projectiles you have interest in. If a projectile isn’t in the database, you can find another similar one and change the dimension to match the one you’re testing to get you close. There’s also a ton of “How-to” videos on YouTube on how to use GRT.

Verified, there is a 25CM profile you can use:

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