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Thread: RFI: 'Duplicating' Hornady TAP, with H322

  1. #11
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    Quote Originally Posted by PatEgan View Post
    A chronometer is one thing I've never bothered to buy, mostly because I had data indicating rough parameters with proven loads. I can probably borrow one belonging to a buddy.
    It's worth it. I've been a few hundred fps under what I thought with a .223 load or two and didn't know it until I chrono'd.
    "You people have too much time on your hands." - scottryan

  2. #12
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    Quote Originally Posted by markm View Post
    It's worth it. I've been a few hundred fps under what I thought with a .223 load or two and didn't know it until I chrono'd.
    Have you largely gone away from 23.xgr XBR and 77gr bullets in favor of H322? Is it for the accuracy advantage of H322? I know I can get slightly tighter groups with H322 vs XBR, but I also have been enjoying the 85fps difference.

  3. #13
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    Not really. It's just that I'm loading less ammo than I used to. I still have defense ammo with the XBR loaded. I'm usually loading for accuracy if it's 77, so like you, I like the H322 a little better for that.
    "You people have too much time on your hands." - scottryan

  4. #14
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    Quote Originally Posted by PatEgan View Post
    A chronometer is one thing I've never bothered to buy, mostly because I had data indicating rough parameters with proven loads. I can probably borrow one belonging to a buddy...
    Quote Originally Posted by markm View Post
    It's worth it.

    A chronograph is not only totally worth it; it's really indispensible for the kind of load development you're trying to do...

    It's kind of like having a calipers and a scale. If you're not measuring, then how in the world do you know what you're doing?!

  5. #15
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    I own and do use everything else. I rarely have need to chrono anything because I've not needed to replicate a given load before now. I roll my own hunting ammo and have parallel data for those with the same caliber, bullets and powder loads, and have not needed to know exactly how fast they were flying. The rest for me was accuracy within those parameters.
    Everything I ever needed to know about islam I learned on September 11th...

  6. #16
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    Quote Originally Posted by PatEgan View Post
    I own and do use everything else. I rarely have need to chrono anything because I've not needed to replicate a given load before now. I roll my own hunting ammo and have parallel data for those with the same caliber, bullets and powder loads, and have not needed to know exactly how fast they were flying. The rest for me was accuracy within those parameters.
    I'd argue that you're flying blind. Sure the ammo is going to work,etc. But I've literally found 150 FPS swing in velocity from powder lot changes. (IMR 4064)

    I've been chuggin along with AR ammo that runs fine, but had no idea that I had another 200 fps of come up to get the ammo to full power.
    "You people have too much time on your hands." - scottryan

  7. #17
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    I think I know what my next purchase is, then

    Thanks for the info. I was looking at Nosler 77 grain load info yesterday and was surprised to find IMR 4064 listed. I always associated that powder with older, military surplus calibers.


    Sent from my iPhone using Tapatalk
    Everything I ever needed to know about islam I learned on September 11th...

  8. #18
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    Quote Originally Posted by markm View Post
    I'd argue that you're flying blind...
    Yeah, and missing out on a whole 'nother world of data...


    Quote Originally Posted by PatEgan View Post
    I think I know what my next purchase is, then

    And really, they're not expensive... I have a ProChrono, and it cost barely $100. It's idiot-proof and accurate.

    Given what guns, ammo, and reloading components cost, $100 or so for a chronograph should be in your budget.

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