weatherby 257mag. help needed

Discussion in 'The Basics, Starting Out' started by crittrgittr, Apr 16, 2011.

  1. crittrgittr

    crittrgittr Well-Known Member

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    I recently purchased a 257w.m. I was wondering if anyone has any helpful reloading advice for me? I am new to this magazine and forum, so if this has already been discussed I apologize. I've got about 5-6 years of reloading and somewhat long range shooting(up to 500yds). This seems tobe a pretty good all around cartridge.
     
  2. nitrousmudbogger

    nitrousmudbogger Well-Known Member

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    115 gr bergers
    RL 25 66-68 grains
    Ive had 2" groups at 590yds
     

  3. WyoElk2Hunt

    WyoElk2Hunt Well-Known Member

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    Need more information> What bullet you are using, barrel length, most bullet manufactures have a starting load for a picticular bullet.
     
  4. cahunter805

    cahunter805 Well-Known Member

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    Powders: IMR 7828,H1000,RL25

    Bullets: 100gr TTSX, 110gr Nosler Accubond, 115 berger VLD

    Primer: Fed215M

    Any of these should give you a decent start!
     
  5. crittrgittr

    crittrgittr Well-Known Member

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    thanx wyo2elkhunt, are those from your experience? I am thinking about 100gr. bullet. It will be mainly for deer and on occasion a back up coyote rifle. I normally shoot hodgdon powder, but don't have to. I appreciate any more input.
     
  6. crittrgittr

    crittrgittr Well-Known Member

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    24" barrel
     
  7. Centxshooter

    Centxshooter Well-Known Member

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    Sierra 117gr
    IMR 4350 (61 grains)
    Fed 215M

    Produces .3's and .4's all day long @100 yds. I have taken several deer and hogs out to 400 yds with this load and have had great results.
     
  8. WyoElk2Hunt

    WyoElk2Hunt Well-Known Member

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    100 Grain Nosler Ballistic tip hunting
    IMR4831 68 grains
    Federal mag primer
    3400 fps
    This is a load I use but each rifle is different have to see what your rifle likes.
    Mine is an Accumark with 24 in barrel.
     
  9. crittrgittr

    crittrgittr Well-Known Member

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    thanks for the info. I assume all of you that have this cartridge like it?
     
  10. WyoElk2Hunt

    WyoElk2Hunt Well-Known Member

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    One of the better deer, antelope, varmit calibers in my opinion.
     
  11. Long Time Long Ranger

    Long Time Long Ranger Well-Known Member

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    I shoot the 100 grain Barnes ttsx at 3760 fps with 75 grains of Magpro and a cci-250 primer. 26" Mk5 wby rifle. Shoots 1 1/4" groups at a quarter mile. My son shot a 2 1/4" group at 650 yards with it last year getting ready for his antelope hunt. This is an awesome combo for deer and antelope. At that velocity the Barnes and scirroco were the only thing I could find that would stay together.
     
  12. jsthntn247

    jsthntn247 Well-Known Member

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    What was your Coal on this load?
     
  13. 436

    436 Well-Known Member

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    This is a great .257 Wby load.... if you can still find the blue coated bullets.
    Load is from Barnes book #3
    .257 Wby Mag 26" barrel MkV
    Primer - Fed 215 Mag Match
    Powder - RL25 76gr
    Bullet - 100gr Barnes XLC BT these are a blue coated bullet
    Case Wby fired once then neck size for your chamber.
    OAL- 3.770 { my rifle only}
    3775 fps in most rifles, mine shot a little faster, each rifle seems to find it own velocity.
    As a hand load; I couldn't chamber my loads in other MkV Wby's in .257 Wby Mag's I have a few fiends shooting the .257 WM I tried unsuccessfully in their rifles. There was one of my friend's rifle that would, but it was a bit of crush fit.
    This combo was a hammer... and flat shooting!
    436

     
  14. crittrgittr

    crittrgittr Well-Known Member

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    I really appreciate all of your data. I am going to try some of these loads and see which I can get to work best. thanks again. Can't wait to try it on some muleys out west.