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Thread: Subsonic 7mm loads

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  1. 20-08-2021, 02:28 AM #1
    shooternz
    shooternz is offline
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    Quote Originally Posted by PerazziSC3 View Post
    I've had poor results with casts in 30 cal so was hoping for a dedicated sub expanding projectile...

    Going to used in a 7x57
    The problem with the 7mm as a subsonic calibre is the twist rate it won't stabilise bullets longer than my 133 HP and the higher velocity is limited
    by the twist rate to 1700fps it really is too small a calibre even .30 cal is marginal at subsonic much better at 1800-1900fps
    If you want a serious cast bullet shooter start at .358 Winchester I have 220 HP and 235 FP cast bullets can go up to 2100fps
    At 1050fps has more power than the 44/40 and easier to suppress.
    Marty Henry, Micky Duck and winaa like this.
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  2. 20-08-2021, 09:59 AM #2
    The bomb
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    I limit my cast .308 subs to smalll game only.
    Micky Duck and superdiver like this.
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