H1000 Replacement for 300WM? Vihtvavuori N565 or N570?

NHPiper

Tactical Bagpiper
Full Member
Minuteman
  • Feb 17, 2017
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    Concord, NH
    Rifle is a 28” barrel that was pushing 225gr ELDs around 3000fps with 76.1gr of H1000. Supply of H1000 seems to have dried up so looking for alternatives.

    Seems to be mixed review on Retumbo and RL26. Anyone using Vihtavuoti N565 or N570 with good velocities, stability and limited pressure signs for heavier bullets over 220grs?
     
    N560, 565, 570 were all readily available online ~1 month ago. I know Natchez had 1 and 8#-ers. I refreshed my 570 with another 8#'s and got 2 8# of 560.