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Thread: GreenDot -- 38 Special/357 Mag 44 Special/44 Mag target loads

  1. #21
    Boolit Master
    JBinMN's Avatar
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    Earlier Post deleted...


    While I took the time to give Mr. Gibson the answer he asked about regarding what alloy he might use to test round using GD, even though I did not understand why he would ask such things, being that his past experiences should have answered such a question, I reckon Mr. Gibson is pretty capable of figuring out where to start with alloys at the GD velocities offered in the Alliant data.

    See post #23 for my "short" suggestion on what alloy to use.
    Last edited by JBinMN; 02-28-2019 at 09:02 PM. Reason: Yes, Long post, stuff happens...
    2nd Amend./U.S. Const. - "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."

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  2. #22
    Boolit Master
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    Larry--I suggest you use 1/2 COWW+2%tin &1/2 pure Pb like you use in your Lyman 429640 Devastator loads.
    Thanks,
    Ray
    It's all chicken, even the beak!

  3. #23
    Boolit Master
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    Hell, I just should have said,

    "I'd use any alloy that is around 10-14BHN to start out, considering any alloy components you would have available to use,", and just left it at that...

    But, "NO"... I gotta make sure to try & not leave anything misunderstood.

    "My mistake""... Oh well...
    2nd Amend./U.S. Const. - "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."

    ~~ WWG1WGA ~~

    For the Fudds > "Those who appease a tiger, do so in the hope that the tiger will eat them last." -Winston Churchill.

    President Reagan tells it like it is: https://www.youtube.com/watch?v=c6MwPgPK7WQ

    Phil Robertson explains the Wall: https://youtu.be/f9d1Wof7S4o

  4. #24
    Boolit Buddy dogdoc's Avatar
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    What’s the matter with the data in 2004 alliant manual? I am using red dot data right now in my 357 mag from that era because I could not find new data.. No problems. Data listed may not be max pressure but max for what they think the intended purpose is. (Like cowboy shooting or midrange use.)whatever they think the usage will be. You can see a lot of variation from manual to manual. The older data list pressure in the alliant manual. But if you are not comfortable just do not use it. I think in the old days we may not have been careful enough but now I see people worrying to the extreme. I see post where people woory about a tenth or two variation with their powder measure over max. If things were that dangerous most of us would be blown up by now. Use your chronograph , if velocity is way out of line compared to the book(considerbarrel length ),then pressure is likely out of line

  5. #25
    Boolit Master
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    Quote Originally Posted by JBinMN View Post
    Hell, I just should have said,

    "I'd use any alloy that is around 10-14BHN to start out, considering any alloy components you would have available to use,", and just left it at that...

    But, "NO"... I gotta make sure to try & not leave anything misunderstood.

    "My mistake""... Oh well...
    Relax JB, Larry's "on it", and I know from past experience, he'll do a thorough job.
    It's all chicken, even the beak!

  6. #26
    Boolit Master
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    Quote Originally Posted by Shuz View Post
    Relax JB, Larry's "on it", and I know from past experience, he'll do a thorough job.
    Yeah, I reckon he'll do just fine without my input.

    Even though he asked, & I tried to oblige...

    Quote Originally Posted by Larry Gibson View Post
    I have those moulds so using them poses no problem. Any particular alloy?
    No matter...

    To all that want to try GD in their loads...

    G'luck!
    2nd Amend./U.S. Const. - "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."

    ~~ WWG1WGA ~~

    For the Fudds > "Those who appease a tiger, do so in the hope that the tiger will eat them last." -Winston Churchill.

    President Reagan tells it like it is: https://www.youtube.com/watch?v=c6MwPgPK7WQ

    Phil Robertson explains the Wall: https://youtu.be/f9d1Wof7S4o

  7. #27
    Boolit Master


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    I have found that Alliant responds quickly to inquiries. BTW, there is data they do not publish for whatever reason.
    Don Verna

    NRA Endowment Member

  8. #28
    Boolit Master OnHoPr's Avatar
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    Back in the 70s I used to shoot quite a bit of 357 target loads with a school/neighbor bud. We tried numerous powders and finally stuck with GD. We pushed a 158 gr SWC about 1050 fps and it was quite accurate out of all the pistolas we used. I can't remember what the grains was. But, back then there was quite a bit of data info on GD. I just read a post a few days ago from Ed Harris mentioning that a good load for the 44 special using GD was 4 gr.
    May you hands be warmed on a frosty day.

  9. #29
    Boolit Master LAH's Avatar
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    Here's a few lines from Paco Kelly that might help.

    THE FORGOTTEN POWDER IN HANDGUNS...
    I have some fairly hard wadcutters at 147 grains in .358 caliber. I load them over 7 grains of Green Dot in 357 cases with standard WW primers, and get 1275 fps from my Colt 357 revolver with outstanding accuracy...I use ApacheBlu lube and the fouling is non existent. I once put five rounds of 200 grain 41 magnum HPs over the screens at an average of 1355 fps loaded over 8.8 grains of Green Dot from a short barreled Ruger SA. 11.8 grains under a 240 grain cast 44 mag bullet in 44 mag cases gives 1310fps from my short barreled Ruger SBH. 11 grains under a 260 grain cast .452 bullet loaded in a 45 colt case out of my Ruger 45 colt short barrel gives 1200+ fps....all with great accuracy.

    Using standard WW primers...this powder burns clean, drops well from powder measures..and is very consistent from lot to lot...and doesn’t have the shift in velocity from differing positions in the cartridge case like other fast powders...it’s the one faster type powder I don’t bother with fillers...and as I’ve shown above, it is great for short barreled handguns. So why is it so unknown outside of shotgunners? Beats me...but I use it.

    Improved Green Dot powder came out in 1971, to better the 1965 offering. Which makes the load data given from 1970 and before suspect...since this improved Green Dot has a faster pressure curve. With the old data I would cut the loads by two grains and work up. Green Dot is slower burning than Red Dot, it has a 20% nitroglycerin content and is at almost the same burning rate as International Clays, and close to IMR PB though PB is slower slightly. And Unique is even slower. It is also excellent for medium loads from 800 fps thru 1000 fps without shift variations and clean burning...but yet it will allow velocities with lighter bullets for the caliber to go into the 1300 fps range. And it works very well in light loads for rifle cartridges, especially with cast bullets. Green Dot like all the Dots and Unique is somewhat bulky, John Wooters once described it as "Fluffy". What ever, it bulks well in handgun cases. Like many shotgun powders Green Dot can be bought in multi-pound containers saving a good deal of money. I still can’t understand why it is not popular with more handgunners...especially those that shoot a good deal of medium loads......
    Joshua 1:9

  10. #30
    Boolit Master
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    Lars,
    Thanks for the enlightenment!
    Ray
    It's all chicken, even the beak!

  11. #31
    Boolit Grand Master


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    I found a bit of load data in the old Speer #9 manual using GD with swaged lead bullets in numerous pistol/revolver cartridges. I'll use that as my start loads in the 357 and 44 Magnums. Have the GD now so will cast some Lee TL 158 and 240 SWC with COWW +2% tin then mixed 50/50 with Pb. may take a couple weeks before I get the test done....
    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

  12. #32
    Boolit Master Forrest r's Avatar
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    FWIW:
    Back in the late 80's/early 90's I burned up a bunch of greendot in the 20ga & 12ga. Most shooters reloaded 12ga shells with reddot. It was extremely popular & a well known/well used powder for handgun & rifle bullets.

    You couldn't use reddot in 20ga shells so you used greendot. Shot countless 1000's of 7/8OZ/1200fps/ 7 1/2 shot/14.3gr of greendot loads in ww cases using ww wads. Used that load on the skeet range & in the thick red brush hunting rabbits & grouse. Used to use the loads in this 1987 Hercules manual testing everything I could using greendot powder seeing how I'd buy it in #10 caddy's.
    http://castpics.net/LoadData/Freebie...cules_1987.pdf

    Those loads listed in the link have pressures next to them & they were tested in 5.6"/5.7" bbl's.

    Looking forward to Larry's testing to see how it compares to the 1987 Hercules manual. Along with the alliant 2003 manual with greendot/pressure listed loads.
    http://castpics.net/LoadData/Freebie...liant_2003.pdf

    And the last year that alliant listed pressures in their reloading manuals, the 2005 manual with greendot loads and pressures listed.
    http://castpics.net/LoadData/Freebie...liant_2005.pdf

  13. #33
    Boolit Buddy dogdoc's Avatar
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    The 2005 data is not that old. I do not know of any blowups with that data or any other published data from any time? A typo is possible I know. I look forward to his results but I use the old alliant data now for several things. There just is not as much handgun loads with shotgun powders as there used to be (ie red dot/promo). I think the manufacturerers just want to sell more specialized powders now. The want you to use a different powder for every application and that makes good business sense since they exist to sell powder.

  14. #34
    Boolit Bub
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    You guys are going to town. Hadn't been on here for a few days. Waiting to see how Larry's test comes out. I will probably try a few different loads next weekend if all goes as planned. Thanks for all of the conversation on this topic.

  15. #35
    Boolit Grand Master


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    It never fails.....when you look for something you vaguely recall having you can't find it.....then when looking for something else........you find what you were looking for in the first place........

    Found my old Hercules Powder Guide dated April 1968......

    Click image for larger version. 

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    .......and look at all that Green Dot data..........that's the data I'll go by for my test.

    Click image for larger version. 

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    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

  16. #36
    Boolit Grand Master


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    Finally got a bit of free time and got the Lee TL 158 and 240 gr 357 and 44 bullets cast. Letting them age 7 - 10 days then will load and test.

    Here's the 44s

    Click image for larger version. 

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    Last edited by Larry Gibson; 03-12-2019 at 09:26 AM.
    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

  17. #37
    Boolit Buddy

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    I for one and I am sure others feel the same way look forward to to this test. Thanks for taking the time to do this and sharing.

    Sent from my XT1650 using Tapatalk
    Ruger RedHawk 357 Mag 44 Mag GP100 Davidson Exclusive 5" Security Six 2 3/4", Speed Six 4"
    Smith Wesson 629 PP and 686 PP, 617

  18. #38
    Boolit Master
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    Larry, I remember having a couple of copies of that very brochure many moons ago. Thanks for posting that key page. Let's see, Green Dot, green ink, just in time for St Patrick's day... we have a winnah!

    I was hoping against hope there would be data for 32 S&W and sure enough, there it was!

    Froggie
    "It aint easy being green!"

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check