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Thread: 308 barrel length velocity loss

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  1. 11-09-2023, 11:09 PM #21
    Grantn
    Grantn is offline
    Member
    Join Date
    Jan 2018
    Location
    Christchurch
    Posts
    150
    20 inch barrel
    165gn SST = 2750fps

    16inch barrel, same rifle
    165gn SST = 2570fps - loss of 180fps, 45fps per inch
    125gn Nosler BT = 3010 fps
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