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Thread: .308 vs .300WM

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  1. #1
    Graduate seadog's Avatar
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    That's why I have a lot of pain pills in my range bag.
    "Only the dead have seen the end of war" -Plato

  2. #2
    Im gonna have to start rolling my own powder

  3. #3
    Graduate seadog's Avatar
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    I'm dealing with third degree burns in parts of my body that don't need to have burns.
    "Only the dead have seen the end of war" -Plato

  4. #4
    CCGF Grammar Nazi Tack Driver's Avatar
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    Quote Originally Posted by seadog View Post
    I'm dealing with third degree burns in parts of my body that don't need to have burns.
    Damn man.
    "It does not take a majority to prevail, but a tireless minority keen to setting brushfires of freedom in the minds of men." - Father of Our Revolution, Samuel Adams.

    I may be found dead in a ditch, but by God, they will find me and my rights in a PILE of brass.

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  5. #5
    Administrator Rumbler's Avatar
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    Quote Originally Posted by seadog View Post
    I'm dealing with third degree burns in parts of my body that don't need to have burns.

    You need to wear some asbestos bubble wrap. Always.
    I'd rather be lucky than good, but I'd rather KNOW I'm good than HOPE to get lucky.

  6. #6
    Lottery John YankeeFingergasm's Avatar
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    Quote Originally Posted by seadog View Post
    I'm dealing with third degree burns in parts of my body that don't need to have burns.
    You should try lotion. Going dry is for the birds.
    You gonna bark all day little doggy or you gonna bite?

  7. #7
    Graduate seadog's Avatar
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    IMO it depends on your objective. Take a look at energy downrange as well as trajectory and you might just find your answer there.
    "Only the dead have seen the end of war" -Plato

  8. #8
    Sultan of Tin Foil Jafar's Avatar
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    Quote Originally Posted by seadog View Post
    IMO it depends on your objective. Take a look at energy downrange as well as trajectory and you might just find your answer there.
    Thats actually what I'm having a hard time with. 175 grain .300WM Sierra HPBT is running an average of 2800 FPS even though it's still a .308 diameter round. I'm trying to find what a .300 will do that an actual .308 can't to justify another platform. I saw the guy who owns Sniper's Paradise say that they were pushing .300WM to 1900 yards, but I just don't see how they're hitting that without blowing chambers. I'm pretty dedicated to getting answers on this though.

    I'm honestly starting to see if I want to dedicate another platform to the ELR zone that it will need to have far superior qualities, like a .338 and load heavy with a super high BC.

    I'm loading the .300WM data currently to find out what the trans-sonic zone and find where it falls off the table. I'll post what I find.

  9. #9
    CCGF Grammar Nazi Tack Driver's Avatar
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    Quote Originally Posted by Jafar View Post
    I'm honestly starting to see if I want to dedicate another platform to the ELR zone that it will need to have far superior qualities, like a .338 and load heavy with a super high BC.
    I think you're on to something there.
    "It does not take a majority to prevail, but a tireless minority keen to setting brushfires of freedom in the minds of men." - Father of Our Revolution, Samuel Adams.

    I may be found dead in a ditch, but by God, they will find me and my rights in a PILE of brass.

    "Sure you can trust our government. Just ask an Indian."

    "Extremism in the defense of Liberty is no vice. Moderation in the pursuit of Justice is no virtue." - Barry Goldwater




  10. #10
    Sultan of Tin Foil Jafar's Avatar
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    Someone feel free to do the math behind me, but this is what I found;

    A SMK 175 gr HPBT for .300WM, at a 1000 yds will have 1361 FPS with 719 FT-LBS, going subsonic at 1200 yds.

    A SMK 175 gr HPBT for .308, at a 1000 yds will have 1185 FPS with 546 FT-LBS, going subsonic at 1100 yds.

    It would take some radical load development to invest in a .300WM if I already owned a .308.

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