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Thread: Does my recovered cast boolit look ok

  1. #1

    Does my recovered cast boolit look ok

    Dug this one out of the dirt.
    Smokes pink tumbled and cooked at 400 for 25min.
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  2. #2
    Boolit Buddy
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    looks just fine re: coating but the BC is now a little low...
    Loren

  3. #3
    Rifling grooves don't seem to be very deep, not sure if that's good or bad.

  4. #4
    Boolit Master poppy42's Avatar
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    Looks like a cupcake.
    Long, Wide, Deep, and Without Hesitation!

  5. #5
    Boolit Master
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    basically what mine look like. but as mentioned I cant really tell out your rifling grooves but I don't know if its the bullets fault or just camera focus or something like that. but I don't see signs of being undersized or undercooked so seems all good

  6. #6
    Boolit Master

    Winger Ed.'s Avatar
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    I'm going to go out on a limb here, and guess you didn't pick that color.
    It wasn't playing the blame game, finding fault, and complaining about every little thing that made America great.
    It was God, guns, and guts.

  7. #7
    I had help in picking the colors......it is a festive color though.

  8. #8
    Boolit Master

    Winger Ed.'s Avatar
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    OK.

    Other than that, it looks good if the barrel rifling is on the shallow side-- which a lot of pistols are.
    I looked down into a older Colt 1911 barrel and thought it was worn out the lands were so faint.
    But its normal for them, and a new one looked the same.
    It wasn't playing the blame game, finding fault, and complaining about every little thing that made America great.
    It was God, guns, and guts.

  9. #9
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    Looking good my friend. Base still fully covered
    I carry a Nuke50 because cleaning up the mess is Silly !!

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  10. #10
    Boolit Master
    Sig556r's Avatar
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    Most light-colored PC in my experience aren't as good as dark ones, but hey, pink is the new red?
    ...Speak softly & carry a big stick...

  11. #11
    Boolit Master flyingmonkey35's Avatar
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    Proof that pc works.



    Sent from my SM-G960U using Tapatalk

  12. #12
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    I'm wondering if your boolit couldn't be a little bigger. the rifling grooves don't look "clean" (a little sloppy, no clean lines) to me. the PC stayed on the body great, I almost expect a little more PC showing up in the grooves. The TL hardly looks touched by the rifling but all the pc in missing where the rifling was.

    http://castboolits.gunloads.com/show...Coated-Samples

    did you do a smash test to see how the PC sticks to your boolit? (pound the boolit into a fat penny or cube, none of the PC should come off
    Was the boolit clean when you PC'd it?
    did you check the oven with a thermometer set on the shelf you are baking on to see if it was actually reaching and staying at 400? (most countertop ovens are off by up to 75

    the real test is --- is your barrel clean?

  13. #13
    Boolit Master
    Dragonheart's Avatar
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    Since you asked, I think your coating is not thick enough; possibly undercured as I see too much lead exposed. It hopefully will provide enough lubrication with the gun you are using and not lead. The average depth of land to groove rifling in a rifle and many handguns is .004". To get the best performance the polymer jacket build out should be approximately .003". This is not my opinion, this statement came from a Phd professor of polymer physics who spent a lifetime in the profession.

    When one thinks about it that makes perfect sense, since we want the alloy core of the bullet protected and the polymer jacket to do what a copper or other jacket material does. It is the jacket that you want to ride the rifling. The difference between velocity limited copper plating and a copper jacket is the thickness of the copper jacket.

    The problem with a some of the Red/Pink Colors and almost all Yellow's is less pigment, so they do not coat as well as blacks, blues and greens. I would suggest using another color or double coat or preheat to get a thicker coating. There is a post "Toughness of PC’d bullets" you might want to look at and I think you will immediately see the difference in what a good coverage looks like. For the most part you are there just a little fine tuning.

  14. #14
    Boolit Buddy
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    I wouldn't get too excited about specific thickness unless you are trying to deliberately make a bullet fatter. If it does the job- prevents leading and has good accuracy, it's just fine. RE: colors- I find that mixing 2 or more colors, using Smokes powder, gives better coverage.
    Loren

  15. #15

  16. #16
    I saw that. I think the pink may need a double coat. I used some of smokes Carolina blue and it is much thicker than the pink using the S&B method. I have a thermometer on order and will use it when it shows up, just to monitor internal temps. I also extended my curing time to 30 minutes total. with a 10 minute pre heated oven and a 30 minute heating time I should have a good amount of 400 degree surface temp.

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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