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147gr VV N330 data

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  • March 15, 2022 at 3:42 pm #416847
    Matthew Caltabiano
    Participant

    Anyone use N330 on their 147gr loads? What are you loading? Gun, barrel length, etc. would be apprciated as well. I’m starting at 3.8 gr but have a feeling I’ll settle around 4.1gr out of my 4.6″ barrel Atlas Athena.

    March 16, 2022 at 4:32 am #416917
    Peter Turner
    Participant

    For subsonic I wanted a 100% burn and subsonic velocity for a suppressor using the RMR 147gr Flat Nose bullet. I chose VV N320 for that. 3.5gr and COAL at 1.110 inches. In a Sig P226, 4.4 inch barrel the unsuppressed velocity was 902 fps, measured by Labradar. It shoots well. QuickLoad predicts or calculates 100% burn and 951 fps.

    VV N330 takes more powder and yields a little higher velocity but still burns 100% according to QuickLoad. 4.1 would be a pretty hot load but still quite doable from the looks of it.

    I guess it depends on what you want to do.

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