1. gary brezinski

    gary brezinski Member

    Messages:
    23
    Joined:
    Jul 7, 2001
    sir,
    can the 30 hart be used for shooting the 240 grain sierra bullets and be made to go 3000 fps from a 30 in barrel?do you need a 1 in 9 twist or can a 1 in 10 twist work?
    gary b.