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Thread: 308 twist rate

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  1. 26-01-2021, 07:34 PM #31
    Cigar
    Cigar is offline
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    Quote Originally Posted by Cyclops View Post
    @Friwi can you give more details?
    I'm surprised that the velocity loss is only 200 fps over 1000 yards.

    My observations with lighter projectiles over 1000 yards is that the velocity drop is 1200 - 1400 fps, not 200 (starting between 2800 and 3000 fps).
    Subsonic don't slow down anywhere near as much as supersonic, surprised me when I found out, but all the info and ballistic apps agree.
    If a sub slowed by 1200-1400 fps it would be coming back at ya!
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