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Load data help for newbie

Discussion in 'Handloading and Reloading' started by Wiggy, Jan 4, 2013.

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  1. Wiggy

    Wiggy Member

    Aug 29, 2009
    I just got a Lee classic press kit and need help with load data for the bullets I have. I got 124 gr 9mm plated round nose from Rocky Mountain Reloading but I can't find the data for them.

    I have Accurate #2 and Win 231 with Winchester WSP small primers.

    Since I have never reloaded before I would appreciate some advise before I proceed.

    Both Berry's and Rainer 124 PRN use 3.8 for a start load with #2 so I think that is where I should start but I would really like to hear from some experienced reloaders before I try it.

    Thanks, Wiggy

    PS, I made a very similar post on another forum and have not yet received any help. I hope someone will respond here.
  2. rcmodel

    rcmodel Member in memoriam

    Sep 17, 2007
    Eastern KS
    Yes, you can use either Berry's or Rainer data.

    Or use can use mid-level jacketed bullet data from any reliable source as long as the bullet shape & weight is the same..

    I would like to steer you away from using the AA #2 in 9mm though.
    You would be better served starting out with W-231.

    The 9mm operates at very high pressure.
    And AA #2 is very fast burning.
    There is no room for error!

    W-231 might be a little more forgiving.

  3. bds
    • Contributing Member

    bds Member

    Jan 10, 2010
    Northwest Coast
    With plated bullets, I have used lead load data and start-to-mid range jacketed load data with good results. BTW, you can use 125 gr load data for 124 gr bullet as most plated bullets will vary in bullet weight by 1 gr anyways. ;)

    Here's current Hodgdon load data
    You should first determine the max OAL using the barrel drop test and working OAL by manually feeding/chambering from the magazine but I use 1.135" OAL with most 115/124/125 gr RN bullets and they worked well in various pistols. As indicated by the load data, you can conduct your initial powder workup from 4.0 - 4.5 gr and see which powder charges reliably cycle the slide of the pistol and produce accurate shot groups.
  4. Captaingyro

    Captaingyro Member

    Nov 27, 2008
    Greater Waxhaw Metropolitan Area (NC)
    Since you're new to reloading, you should know that, unless you're using common bullets from major manufacturers, (i.e., those manufacturers who publish their own loading manuals) you'll rarely find load data for the exact bullet you're trying to use. What you have to do is gather data for similarly sized and shaped bullets from a variety of sources, interpolate, and start conservatively.

    It's great to come to a forum such as this one and ask, but there's no substitute for owning a few of the manuals. Besides the load data, they contain a wealth of information for new (and experienced) reloaders, and many of us find ourselves still consulting manuals that are twenty or thirty years old.
  5. Wiggy

    Wiggy Member

    Aug 29, 2009

    I have now learned that not all bullets give specific load data but when I ordered these I did not know that. I have the book that came with the press and data from the powder manufactures web sites to use for starting loads. I figured I would have to find other brands of bullets and interpolate the load from there but I asked for a bit of advice before actually loading any rounds.

    I appreciate the information and advice all you have provided and I'm looking forward to loading my first rounds.

  6. 1SOW

    1SOW Member

    Oct 28, 2007
    South Texas
    I agree with the above posts, but just a caution to a new reloader:

    When you start at the low end (as you should) with new bullets, be aware that ALL pistols are different, even the same make and model.
    Springs weights are different , wear and seating makes a difference, manufacturing tolerances can make a difference.

    When you fire that starting load weight and work up in small steps, MAKE sure those first shots are done one rd at a time, there is a BANG every time you fire, AND importantly, A HOLE IN A TARGET.

    This prevents firing a second round into a bullet already "stuck in the barrel"--a squib.

    This is not meant belittle your knowledge level, but to include one caution to all new reloaders reading the thread..

    I also recommend starting with 231. It's broader load range provides a safer margin for both reloader and press variations.
  7. HighExpert

    HighExpert Member

    May 30, 2010
    Good advice. My favorite load is as follows.
    FMJ 115
    4.2 Bullseye (4.8)Max
    1.063 OAL
    1015 FPS
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