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Thread: 9.3x72R load advice needed

  1. #1
    Boolit Buddy
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    9.3x72R load advice needed

    Hi guys.
    I recently purchased a Husqvarna Cape gun in 9.3x72R-16 gauge.
    All information that I have points it to being a 1912/1913 year of manufacture.
    I will do a chamber cast as soon as I get it home.

    A few things that will initially dictate some starting points, projectile weight of course, I think its a 1:16 (once again, will check when I've picked it up) and if it is a 1:16 then I will be using 185gn through to approximately 250gn (some knowledgeable people advised me that twist rate should stabilise projectiles in that weight range).
    Chamber cast will tell me barrel dimensions but an initial measurement with verniers shows up as a true .366, I am aware that some are a .364.
    If the chamber cast does show as .366, I will prefer to use factory projectiles over casting but am not ruling out getting a mould to suit, and paper patching aswell.
    So after that long winded rant, my question for the wise, I have real BP (Wano 2p & 3p) and Pyrodex.
    Where should I start with powder amounts?
    I have smokeless data but cannot find anything for BP.
    Thanks in advance
    Peter

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  2. #2
    Boolit Buddy
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    BP is probably the easiest powder there is to determine a charge. I'd suggest soft lead bullets, like 20-1 to 25-1, lead to tin at approx. .002 over groove diameter.

    To determine your powder charge calculate how far in the case the bullet will seat. Figure a powder charge that reaches that height in the case. Add a .020 to .060 over powder card, seat the bullet and you should have enough compression for a starting load. From there you can juggle the powder charge and/or compression until you find what it likes. NEVER leave an air space between powder and bullet but, you probably already knew that.

    Either Ffg or Fffg should be ok. Can't tell you a thing about Pyrojunk because I hate the stuff. I'd start with Ffg but definitely try Fffg. I've always used Federal 215 Magnum primers with BP cartridges but I can't honestly say a magnum primer is required for satisfactory results. In smaller cases like the 9.3 X 72R standard primers have worked well for me. My larger cases....yes, there seems to be a difference between standard and magnum primers.

    I always admired the Husky combination guns except that the metal forearm really puts me off them. Other than that I'd have one or three in the toy box!!!!! Yours looks really good! The right firing pin spring looks a little tired, easy fix. Use a ball point pen spring cut to length. Should work fine and pull the pin right up!
    "In general, the art of government is to take as much money as possible from one class of citizens and give it to another class of citizens" Voltaire'

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  3. #3
    Boolit Master
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    Looks like a beautiful gun. I wouldn't gunk it up with nasty old Pyrodex if it was mine! Also, try it with and without the over-powder card. I get excellent results without card wads. Here's some information on loading your excellent medium game cartridge.

    http://castboolits.gunloads.com/show...?75108-9-3x72R

    http://castboolits.gunloads.com/show...an-366408-mold

  4. #4
    Boolit Buddy
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    Thanks for the advice gents.

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  5. #5
    Never seen a Husqvarna model 17 in caliber 9.3x72R?, to my knowledge they were only chambered in the 9.3x57R length. 192gn was the factory bullet weight. S&B still makes factory ammo I think?

  6. #6
    Boolit Buddy
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    BPS, peter will know as soon as he does the chamber cast.
    "In general, the art of government is to take as much money as possible from one class of citizens and give it to another class of citizens" Voltaire'

    The common virtue of capitalism is the sharing of equal opportunity. The common vice of socialism is the equal sharing of misery

    NRA Benefactor 2008

  7. #7
    Boolit Buddy
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    Any .358" cast boolit will patch right up to .366"
    I'm not thinking that the 9.3X72R was loaded with PP boolits originally but using the .358" boolits is easy as can be and may even smooth out your bore if it is a little frosty.

  8. #8
    Boolit Buddy
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    Quote Originally Posted by Huvius View Post
    Any .358" cast boolit will patch right up to .366"
    I'm not thinking that the 9.3X72R was loaded with PP boolits originally but using the .358" boolits is easy as can be and may even smooth out your bore if it is a little frosty.
    Yeah PP is on my list of workable ideas.
    I bought some #9 paper in preperation.
    I've read some of these older bores are only suitable for lead, if I PP a jacketed for example, would that be detrimental to the bore?
    Another thing I have read which I'm interested in is loading smokeless for BP pressures.
    3031 starting at around 25gns?
    This is more appealing to me due to bore cleanliness but I want to obviously keep pressures very low.
    Any thoughts/opinions?


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  9. #9
    Boolit Master
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    I loaded smokeless loads for a friend that had a German drilling in that caliber. Somewhere I read to use 38-55 data of which I did using a Lyman cast bullet made for 9.3 calibers. It was an accurate load but for some reason shot high. I believe the owner bagged a deer with the rifle. I’ll try to contact him and find the data.

  10. #10
    Boolit Buddy
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    Quote Originally Posted by smkummer View Post
    I loaded smokeless loads for a friend that had a German drilling in that caliber. Somewhere I read to use 38-55 data of which I did using a Lyman cast bullet made for 9.3 calibers. It was an accurate load but for some reason shot high. I believe the owner bagged a deer with the rifle. Iíll try to contact him and find the data.
    Thankyou

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  11. #11
    Boolit Buddy
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    Got this off loaddata.com
    17gns 3031.
    I'm curious if that'll be a starting point or can it safely go lower?.

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  12. #12
    Boolit Buddy
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    The last load in the list, the 42 grs. of IMR-3031, is very, very near to factory ballistics with smokeless loads and Nitro proofed rifles. I don't know I'd go any lower with the upper listed IMR-3031 load of 17 grs.a I don't know anything about loaddata.com but they certainly don't seem to have a problem with a 25 gr. difference in loads with what is essentially the same bullet weight.

    You might try here for trustworthy data. Most of those guys have forgotten more about German firearms and cartridges than those who think they know actually know.

    http://www.germanguns.com/upload/forum.php
    "In general, the art of government is to take as much money as possible from one class of citizens and give it to another class of citizens" Voltaire'

    The common virtue of capitalism is the sharing of equal opportunity. The common vice of socialism is the equal sharing of misery

    NRA Benefactor 2008

  13. #13
    Again, check that is 9.3x72R, I'm pretty sure it is 9.3x57R, as Husqvarna never listed any 9.3x72R for their model 17.

  14. #14
    Boolit Master



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    Watching

  15. #15
    Boolit Buddy
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    BPS, if it turns out to be a 9.3 X 57R I think Peter came out well!!!! I have a 9.3 X 57 in a Husky bolt rifle, as many do, and the more I shoot it the more I like it. A rimmed version would just be icing on the cake!

    As skeetx said, "watching".
    "In general, the art of government is to take as much money as possible from one class of citizens and give it to another class of citizens" Voltaire'

    The common virtue of capitalism is the sharing of equal opportunity. The common vice of socialism is the equal sharing of misery

    NRA Benefactor 2008

  16. #16
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    Peter72,

    NICE old hammer drilling.= I love the old hammer cape guns & drillings.

    IF it was mine & the chamber cast proves it to be a 9.3x72R, I would load it with an about 220 grain GCCB in front of 34 grains of IMR3031 for hunting any game up to 150KG out past 200M.

    just my opinion, tex
    Last edited by texasnative46; 09-24-2018 at 09:24 AM. Reason: typo

  17. #17
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    BlackpowderSweden,

    What Husky made isn't as important as a chamber cast to see if it has been modified for another cartridge.

    Btw, do you happen to have a case drawing for the 9.3x57R case?? = I didn't know that there WAS such a rimmed case in 9.3x57mm.

    yours, tex

  18. #18

  19. #19
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    skeettx,

    Did you LOOK at the 1st link?? = The page says, "We missed one."

    yours, tex

  20. #20
    Boolit Buddy
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    Still haven't picked this firearm up yet, Australian bureaucracy at work.
    The only indications I have that it's a 9.3x72r is that's what the shop told me, and that a 9.3x72r case fitted in the chamber when they showed me.
    So I'm not saying it definately is a x72r, but would a x57 case also fit giving a false indication of what it really is?
    Like has been mentioned here, all indicators point to the x57 as there are no records of Husqvarna making the x72r.
    So let's assume it is a x57r, is it just a case of necking up an 8x57r?
    I'm hoping it is a x72r as Ive already bought dies from ch4d.

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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