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300win mag vs 7mm rem mag?

Discussion in 'GATE Long-Range Shooting' started by GoonGlock21, Jan 3, 2011.

  1. GoonGlock21

    GoonGlock21

    129
    0
    Dec 6, 2009
    Richmond va
    I want a gun for target shooting, looking for the most accuracy. So with that said if two guns were built equal....barrel materail, length, proper twist, match trigger. witch caliber has the accuracy advantage? will be shooting to 1000 yrds possibly.
    Thanx Goon
     
  2. Zak Smith

    Zak Smith 3Gunner Millennium Member

    502
    3
    Aug 25, 1999
    Fort Collins, CO, USA
    Mechanical (ie short-range) accuracy will be identical, limited by the rifle, ammo, and you.

    7mm RM or WSM has a ballistics advantage over .300WM because its bullets have higher BC values at a given velocity range.

    7mm RM/WSM can shoot a 0.61-0.63 BC bullet (160-170gr) at 3000-3100 fps, or a 180gr 0.65-68 BC bullet at 2900-3000 fps.