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Thread: Gelatin shot capsules

  1. #1
    Boolit Man
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    Gelatin shot capsules

    I've seen this referenced on forums several times, but never a concise report on how they work. I decided to try it myself: cut wads from cheap plastic containers, loaded 3gr promo shotshell powder (I loaded as if it were 700-X, which some of it almost certainly was; production loads will use known powder), placed 8 grams of promo shotshell shot (~130gr, or to the top of the .357 case), and snugged the smaller half of a 000 gelatin capsule around the shot (believe large half will be useful in larger caliber projects). Overall, would say this worked well: had to slit the capsules with sharp scissors to just under the curved end since they measure ~.360"+ and do not slide into the brass easily, but did not need any crimp to keep the capsule secure. Any thoughts? I know that loading with unknown powder is a big no-no but figured that a mid-range .38 load in a .357 gun would likely be safe. Will report back after testing, hopefully later this week.

  2. #2
    Boolit Grand Master
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    8 grains of promo is more than seems used in most instances. May be good to reduce the load. High speed shotloads may be unwise.

  3. #3
    Boolit Master BNE's Avatar
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    Please post a picture of your load
    I'm a Happy Clinger.

  4. #4
    Boolit Master
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    Where do you find empty capsules and is there a size chart?

  5. #5
    Boolit Man
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    The load is 3 grains of unknown promo powder, 8 grams of promo shot. To be clear, I am 90% sure the powder in one of the promo shells was 700-X, but not sure about the other shells. Given that 700-X is about the fastest powder available, I loaded all as if they were 700-X.

    Click image for larger version. 

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    A photo of the 10 shells I have loaded thus far. I intend to shoot them on Friday, and will report back at that time.

    Click image for larger version. 

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    A photo of a full capsule and one I have separated into the two halves. The taller half is smaller in diameter and used for this project; I believe the shorter half will be useful to retain shot in 41/44/45 shotshells I have future plans for. Capsule size here: http://capsuleconnection.com/capsule-sizing-info/ ; I searched around for capsules for sale and found the best deal from an eBay seller of nutritional supplements: around 22$ for 1000 capsules shipped.

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    A (out of focus) photo showing where I cut the capsule to allow a friction fit in the .357 cases; having tried to shake these apart to change the amount of shot, I would say they will certainly stand up to a little recoil, although they might make a mess if subjected to recoil from repeated full-power magnum loads. The intended purpose here is an inexpensive single-loaded shot round for pest control on the farm.

  6. #6
    Boolit Grand Master
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    Perhaps you may want to reread your first post to see where I got that impression. 3'grains is fine.


    ....placed 8 grams of Promo shotshell shot.......

  7. #7
    Boolit Grand Master
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    Given the gelatin will probably not survive acceleration forces, I see a fair amount of leading per shot in your future.

  8. #8
    Boolit Master BNE's Avatar
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    Quote Originally Posted by 35remington View Post
    Given the gelatin will probably not survive acceleration forces, I see a fair amount of leading per shot in your future.
    I doubt you will have a leading problem. I've used the method where you place a card on top of the powder, add shot, then place a card on top of that and crimp the card in place. So there is no protection between the shot and the barrel. No issues to date.
    I'm a Happy Clinger.

  9. #9
    Boolit Man
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    I understand where the confusion about the load came from, but if you read carefully, you'll see that I distinguished between the powder and the shot load, and gave the shot load in both grams and grains. I'll hopefully know about the leading situation tomorrow, I intend to try these in both a revolver and a single shot rifle.

  10. #10
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    In the 45C I use a 410 shot sleeve sized to hold about an oz of shot.I invert a plain base gas check and use a small roll crimp to hold it all in place.I have used this load to kill squirrels out to about 20 to 25 feet out of a 5.5" Ruger Black Hawk.No leading,I think the shot sleeve prevents the leading.
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  11. #11
    Boolit Grand Master
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    Nice work NikA. A very light crimp should hold the capsule if you do get some issues with recoil. Filling with rice or used tumbling media would make a nice "bee" load and the capsule makes it easy to distinguish what is loaded.
    Don Verna


  12. #12
    Boolit Master
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    This is an intriguing idea. eBay, at least on the UK site, is full of them. There must be a lot of hypochondria about. Note that there is also a slightly smaller diameter in the other half.

    https://en.wikipedia.org/wiki/Capsul...piece_capsules

    I doubt if they would either require slitting or fail to protect the bore from leading. It could hardly be both. I think melted wax should give adequate adhesion in the case. In a revolver it isn't like you are going to get it hot, or load to recoil levels that risk dementia pugilistica or shifting of the shot.

    The complete capsules, in large sizes, would be good to speed up the use of muzzle-loaders. The No.12, a size which would make your eyes water if it wasn't described as veterinary, should be fine for my 24ga. breech-loader, which went from Belgium to Australia and probably stayed almost mint due to someone getting home before finding that 20ga. cartridges didn't fit.

  13. #13
    Boolit Man
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    Results from this test: capsules did result in some leading, but this may have been due to a dud. I will be switching to cardboard wads over the powder. Leading was confined to about 6 inches in front of the chamber and was easily brushed out. Spread was about 9 inches at 10 feet and nearly 18" at 15 feet, fired from a .357 rifle. Didn't have a bunch of time to test but I am satisfied for proof of concept and will continue to develop this load.

  14. #14
    Boolit Master
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    Quote Originally Posted by NikA View Post
    Results from this test: capsules did result in some leading, but this may have been due to a dud. I will be switching to cardboard wads over the powder. Leading was confined to about 6 inches in front of the chamber and was easily brushed out. Spread was about 9 inches at 10 feet and nearly 18" at 15 feet, fired from a .357 rifle. Didn't have a bunch of time to test but I am satisfied for proof of concept and will continue to develop this load.
    It might be that slitting the capsules permitted shot to touch the bore. You don't mention how even the pattern was, but I think people exaggerate the risk of a doughnut pattern with a hole in the middle in a rifle. The shot all spin in spirals of different radii, all the way to zero in the middle, so they experience different centrifugal force. The capsule ought to reduce fliers outside the main pattern, caused by the rifling deforming the shot.
    Last edited by Ballistics in Scotland; 04-25-2017 at 10:37 AM.

  15. #15
    Boolit Bub WickedColt's Avatar
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    This is awesome! I never really thought about the possibilities but they are endless!
    Si vis pacem, para bellum

  16. #16
    Boolit Mold
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    Apologies in advance since I know this thread is a couple months old now. I came across this thread on a google search and created an account just because I like the forum so much!

    Quick question, how hard are these gelatin capsules? If you were in a humid environment, would they get sticky because of moisture after a while? I had this same exact idea and go figure, someone has already done it! Looks great!

  17. #17
    Boolit Man
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    I can't say much about the hardness. They are brittle and prone to breakage if mistreated (e.g., dropping loaded rounds on the capsule on a hard surface). As far as moisture, central Ohio is pretty swampy and the capsules sitting on my bench from this experiment haven't changed appreciably. In fact, I tried softening some of them with water and it took a while before they got sticky, but they never softened (they could probably be dried). I think they are more sensitive to heat and other organic solvents. However, I obviously don't have a long-term storage test result, nor do I think I would load many to store in conditions that are not climate/humidity controlled.

  18. #18
    Boolit Buddy
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    What kind of rifle were you shooting them through? Lever, single, shot, etc...

  19. #19
    Boolit Man
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    Single shot. I would not trust them through a lever, they might feed through a rotary magazine. I'd have to ask my FIL, I gave him the rest of the first batch to test on critters.

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