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Thread: What do you load with Blue Dot?

  1. #61
    Boolit Master waco's Avatar
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    Never tried Blue or Green Dot.....Only Red.
    Will they do anything special that other powders won't?
    Waco
    The fear of the Lord is the beginning of knowledge: but fools despise wisdom and instruction.
    Proverbs 1:7

  2. #62
    Boolit Master
    JWT's Avatar
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    I've used it in the 44mag but have moved on to 2400. It's been so long I don't remember the charge I used.

  3. #63
    Boolit Master 15meter's Avatar
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    Second foray into blue dot territory, 22 grains in a 375 H&H under A NOE bullet cast @ 292 grains. Found it in Lyman's manual. First range test was promising, load the next batch @ 24 grains.

  4. #64
    Boolit Master 15meter's Avatar
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    24 grns. Blue Dot in the 375 H&H was stiff recoil for a plinking load, went the other way to 18 grains way more fun to shoot.

  5. #65
    Boolit Master
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    I shot probably 200 rounds of 10.0/Blue Dot/158 LSWC through my Ruger Police Service Six. The reloader who made them (and to whom I would have trusted my life to his last day on this planet) asked me to shoot six of them and let him examine the empties. I shot 5 of the 6 "horseapples" I aimed at with them (which "exploded" in a most satisfactory way), and we both looked at the cases. He explained that he'd shot this load through his S&W M19 .357 with no problem but a friend's Colt Trooper MkIII exhibited flat(ish) primers, and he wanted to make sure he didn't see that with my revolver. I mentioned that the load felt like something I wouldn't wish to run through a K-frame .357 on a regular basis, but that it shot fine, and the primers looked very much like what I would expect from factory

    He had another load concocted withe Blue Dot and 125gr Sierras, but judged them as being too hot for anything but N-Frame S&Ws, Ruger Blackhawks & T-Cs. I honestly believe my humble little PS6 was and is far stronger than the S&W K-Frames or a Colt Trooper MkIII perhaps even as tough as an N-Frame, but he was far less willing to test that.

    It wasn't long after that, that I think ALLIANT put out a disclaimer in which they did not recommend the use of Blue Dot for loads using 125 gr. projectiles in .357 Mag. I never got the full story on it, and my friend passed (in his sleep) before I could ever ask. I always wondered about that, though.
    Does that sound familiar to anyone? <--Serious question, not meant to sound sarcastic.

    I remember remarking to my friend that I had never been able to get 2400 to burn completely in a 6" barrel, no matter the caliber. He told me he hadn't, either, and nodded to the bottle of Blue Dot on his loading bench, saying he was trying to find a powder giving velocities at or near those obtained with 2400, but with far less "outside lighting of the countryside." I think he finally went back to Herco, or one of the IMR-SRs. He passed and his estate was divided before I could secure his reloading notes.
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  6. #66
    Boolit Master DanM's Avatar
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    Gotta like BD in 10mm. In my new Glock M40, 6", 9.5gr gives 1178fps with the Lee TL175 boolit, powder coated and sized thru a .401 die. SD is kinda high at 48fps, but somehow still very accurate. That is the only 40cal mold that I have for now. Lucky for me it works so well.
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  7. #67
    Boolit Master appleseedgunsmith's Avatar
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    For my Buffalo Sluggun in 20ga I have a smokeless load that hits 1000 fps. 720 gr bullet and a load of 24.5gr bluedot. Bullet is a solid base modification of Lyman 57730 heavy minie. I tried black powder in it and never got acceptable accuracy so I went to the dark side.

  8. #68
    Boolit Master copdills's Avatar
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    12 ga Lee 1oz and 7/8 oz slugs and 00 & 000 buck

  9. #69
    Boolit Buddy kaiser's Avatar
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    $5.00 a pound is a bargain these days! I use 12.9gr of it for a .45Colt pistol and rifle with a 250 or 255gr cast bullet. This load gives no more than "cowboy" load pressures. Before this, I used to use it for 12ga loading.

  10. #70
    Boolit Master chutesnreloads's Avatar
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    Tagged as future reference

  11. #71
    Boolit Master


    Larry Gibson's Avatar
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    Kosh75287

    "It wasn't long after that, that I think ALLIANT put out a disclaimer in which they did not recommend the use of Blue Dot for loads using 125 gr. projectiles in .357 Mag. I never got the full story on it, and my friend passed (in his sleep) before I could ever ask. I always wondered about that, though.
    Does that sound familiar to anyone? <--Serious question, not meant to sound sarcastic
    ."

    Post #11 will get you to the Alliant warning. After that warning came out and after I had pressure tested Blue Dot in the 357 under 125 gr JHPs and in the 44 Magnum under 255 and 270 gr cast I contacted Alliant and spoke with a technician regarding the "pressure spiking". I reported that in post #28 of this thread.

    I continue to load Blue Dot in the 357, the 41 and the 44 magnums and have chronographed and pressure tested I know not how many rounds w/o a single instance or indication of pressure spiking. What I did find was the pressure drops dramatically when Blue Dot is compressed. I recommend it not be compressed.

    A comprehensive test comparing Hercules Blue Dot with Alliant Blue Dot in the 44 Magnum; 'http://castboolits.gunloads.com/showthread.php?51566-Blue-Dot-Hercules-vs-Alliant-test

    Here is another thread covering 6 years discussing Blue Dot with more information on the probable pressure spike reports; http://castboolits.gunloads.com/show...-Alliant/page2
    Last edited by Larry Gibson; 01-22-2018 at 10:48 AM.
    Larry Gibson

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

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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