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Thread: Do .17 HMR rounds tumble?

  1. #1
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    Do .17 HMR rounds tumble?

    I was firing my Henry .17 Goldenboy at an indoor range for the first time. I was surprised when I looked at the target because all of my shots landed sideways, like the bullets tumbled or something........I used Winchester varmint .17 HMR 15.5 gr polymer tip

    by the way the Henry was nice-- its the prettiest rifle I have --but you know what? I didn't like having to cock the lever after every shot.........

  2. #2
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    Well it was designed for use with 17 and 20 grain ammo.

    I've seen listed barrel twist rates and they are 1:9 on some (Maybe all I'm unsure).

    I like to think of it as the rimfire version of the .223

  3. #3
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    They shouldn't be tumbling BEFORE they hit something. Keyholing not happy.
    Everybody spread love

  4. #4
    Pfletch is bang on. Its not an inherent problem with the bullet, it is the combonation of that bullet type and a particular gun. I bet if you ask around you can trade your stash of .17 for some other bullet weights and see what works.

    One other possibility is did the indoor range have an insanely fast fan or blower?

  5. #5
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    Most likely the barrel is incredibly dirty. Rifling twist will not stabilize a HEAVIER bullet...not lighter one than it is designed for.

    If the barrel WAS clean....then you've got a defective one.

  6. #6
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    Do .17 HMR rounds tumble?
    I knocked a box off the bench last week. They tumbled all across the shop floor. That's probably not what you're asking.

    Keyholing is a whole nuther question and normally is an indication of shooting a too-long bullet from a too-slow twist barrel.

  7. #7
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    Mebbe you should check your barrel to make sure there's even rifling in it.

    It's happened before.
    Squished bugs on a windshield are proof the slow/heavy bullet theory works. -Me
    Herman Cain '12
    Eat Moose. Wear Wolf.

  8. #8
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    They should only tumble after crashing into something.
    Resident Liberal

  9. #9
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    by the way, I clean it up good and the next time I went shooting there was no more keyholing. I guess the barrel was just dirty.

  10. #10
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    Tiny bores are sensitive to fouling.
    Squished bugs on a windshield are proof the slow/heavy bullet theory works. -Me
    Herman Cain '12
    Eat Moose. Wear Wolf.

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