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Thread: New .270 cal cartridge from Winchester

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  1. 29-12-2020, 07:30 PM #12
    Micky Duck
    Micky Duck is offline
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    BUT when you up the twist AND the speed...you need to make projectiles harder or they blow apart...and when speed decreases they no longer expand properly...
    catch 22
    oh and SOME of us still use those wonderful speer 170grn round noses...or at least I will when have live poohseventy again....
    csmiffy and dannyb like this.
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« 300prc brass/ ADG brass | New 90 gr 243 ELD X »

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