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Thread: New .270 cal cartridge from Winchester

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  1. #9
    Member
    Join Date
    Jan 2018
    Location
    kaiapoi
    Posts
    7,412
    Isnt that one of the big issues? The twist rate?
    A couple of heavier projectiles but vast majority of 270s twist is marginal for them
    Ice found the same thing researching for the 264win mag
    Standard is 1-9 but the later long range projectiles need quicker which ironically slower calibres like the creedmore do have the quicker twist which gives makes them ballistically better a long way out even though they are up to 300fps slower

 

 

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