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CptCurl
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SR4759 in .32-40
Dec 8th, 2018 at 12:29pm
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Does anybody have experience using SR4759 in the .32-40?  I load fixed using the Lyman #319247 165 grain flat point.

I know that powder has been discontinued, but I still have a modest supply.

Thanks,
Curl
  
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Schuetzenmiester
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Re: SR4759 in .32-40
Reply #1 - Dec 8th, 2018 at 2:08pm
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I tried it years ago.  I got better results with 4227.  I do not recall the exact charge, but it is very close to 4227 charge.
  

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JLouis
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Re: SR4759 in .32-40
Reply #2 - Dec 8th, 2018 at 3:44pm
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I spent allot of time with it back when I was doing allot of various powder testing for my 32-40. I personaly found there to be better powders out there for my own use and so I moved onto fully testing of all of those.
  

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beltfed
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Re: SR4759 in .32-40
Reply #3 - Dec 8th, 2018 at 4:07pm
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Those large kernels of 4759 don't meter the best.
and I see most Schuetzen shooters metering at 
the shooting bench..
Perhaps that may have something to do with 4759
not doing the best as compared to 4227 that meters  almost 'like water" or ball powder.
I may look at a similar burning rate powder Lil Gun
which meters well. 
Has anyone tried Lil Gun?
beltfed/arnie
  
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Re: SR4759 in .32-40
Reply #4 - Dec 8th, 2018 at 4:12pm
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I can give you a time tested load of 4759, that I have tried, too.

The famous, Harvey Donalldson, lists it in his book, "Yours Truly".

It is a breech seat load with 180 gr lead bullet (I used 2 1/2 Rem primers), the charge is 12.2 gr (20 gr bulk on a Lyman measure) of 4759. He guarantied  a 1" group, at 100 or in his words, he said that he could shoot that 1" group, on demand.

Now, if your shooting fixed ammo, that same charge, with the 165 gr bullet, might do as well as any, fixed. It's a very low pressure load, either way.

For BSed and heavier bullets, in a strong action, I'd suggest 14.0 gr and work around that charge, again with Rem 2 1/2 primers.

Weigh your charges or use a B&M measure.

Frank
« Last Edit: Dec 8th, 2018 at 7:23pm by frnkeore »  

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Re: SR4759 in .32-40
Reply #5 - Dec 8th, 2018 at 6:01pm
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I have tried Lil Gun Beltfed the main concern when trying to find a powder that works for you is in finding one that will consistently shoot good day in day out and all year long. Lil Gun is one of those that would not do it for me and in all honesty neither was 4227. I will give you but one example that would typically fool one into believing they have found that powder. While testing 4227 I shot three very very nice looking 250's but in between those 250's there were several also shot that were in no means even close to being as good. I am talking about going out on different days and typically a week apart and shooting 5 to 6 10 shot 200yd. targets at each outing. This was also while going through 4 pounds of powder and typical of how I go about testing various powders. When all was said and done with testing this powder there just wasn't any of the prior mentioned consistency that I was looking for. This in no way means it would not work for you only that it would not do so for me. This just shows how one can easily get fooled if not doing enough testing I could have shot two of those 250's closer together and very easily thought Yahoo Eureka I had stopped there. And then went onto loosing quite a few matches not knowing if it was just me or possibly something wrong with the rifle when it was actually the lack of consistency in the powder itself all along. And it would remain an unkown simply from the lack of not doing enough long term testing at which time it would have became very obvious it just wasn't the right choice of powder to be using.

JLouis
  

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Jeff Houck
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Re: SR4759 in .32-40
Reply #6 - Dec 8th, 2018 at 9:25pm
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try 12 to 14 grs. with the 165 in fixed ammo. I was using 14grs. and a breech seated 200 gr. bullet.
  

Jeff Houck
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BP
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Re: SR4759 in .32-40
Reply #7 - Dec 8th, 2018 at 10:34pm
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JLouis wrote on Dec 8th, 2018 at 6:01pm:
I have tried Lil Gun Beltfed the main concern when trying to find a powder that works for you is in finding one that will consistently shoot good day in day out and all year long. Lil Gun is one of those that would not do it for me and in all honesty neither was 4227. I will give you but one example that would typically fool one into believing they have found that powder. While testing 4227 I shot three very very nice looking 250's but in between those 250's there were several also shot that were in no means even close to being as good. I am talking about going out on different days and typically a week apart and shooting 5 to 6 10 shot 200yd. targets at each outing. This was also while going through 4 pounds of powder and typical of how I go about testing various powders. When all was said and done with testing this powder there just wasn't any of the prior mentioned consistency that I was looking for. This in no way means it would not work for you only that it would not do so for me. This just shows how one can easily get fooled if not doing enough testing I could have shot two of those 250's closer together and very easily thought Yahoo Eureka I had stopped there. And then went onto loosing quite a few matches not knowing if it was just me or possibly something wrong with the rifle when it was actually the lack of consistency in the powder itself all along. And it would remain an unkown simply from the lack of not doing enough long term testing at which time it would have became very obvious it just wasn't the right choice of powder to be using.

JLouis


Lil' Gun?     4227?

Didn't the OP ask about experience using SR4759 in the .32-40, loaded fixed, using the Lyman #319247 165 grain flat point...  ?


  

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Re: SR4759 in .32-40
Reply #8 - Dec 9th, 2018 at 6:24am
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Have shot this in 32-40 and msny other calibers very well for the past 25 years.
In the 32 i use large pistol primers, 15.3 grs from a belding measure with a cork wad on the powder. Using a 193 gr brewer bullet.
Best personal was 5 shot group at 100 .375
Recently in an 8.15-46 i shot a .625 5 shot with a  165 gr slug at 200
And never any issues.
  
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Re: SR4759 in .32-40
Reply #9 - Dec 9th, 2018 at 1:25pm
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Irish66 it sounds like you are breech seating how did you go about weighing your powder at the bench. I have a close friend who would weigh it and then place into glass vials to bring for a match. As Frank mentioned as being a good choice I used a Belding and Mull powder measure at the bench and it worked out well for me. One of our other compeitiors used a Lyman 55 powder measure and it seemed to work well for him as well. So I am just curious about how you go about measuring yours and how it's worked out for you being one of the more challenging powders to measure accuratly. Also if memory serves me right I was using 15.2 grains in a 15 twist, Rem. 91/2 primers and a 216 grain 6 diameter ogive Spitzer at the time. The only real issue I had was the time constraints in CBA and having to measure and then use a funnel to place the powder into the case. It just up the clock abit to much and left very little time to wait on a condition using the case. 

JLouis
  

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Re: SR4759 in .32-40
Reply #10 - Dec 9th, 2018 at 1:42pm
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BP the LilGun was to address Beltfeds question and the 4227 a follow up on BobZ's. All though we all moved away from the original question I believe our intentions we're good. Hopefully it was somehow being helpful to the OP and if not I apologize to OP for the distraction.

JLouis
  

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Re: SR4759 in .32-40
Reply #11 - Dec 9th, 2018 at 3:43pm
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My intent was to point out there are much more accurate powders.  Maybe sell the 4759 to another shooter and get a more accurate powder if accuracy is a top priority.  If not, it should work just fine.
  

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Re: SR4759 in .32-40
Reply #12 - Dec 9th, 2018 at 4:09pm
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Used a belding and mull with my adjustable charge tube. I attatch it to the bench with a clamp set up. Have a small funnel i made that is in the block next to the belding.
Yes i breech seat using emmerts lube
  
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primers
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Re: SR4759 in .32-40
Reply #13 - Dec 9th, 2018 at 5:33pm
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Not trying to change the subject...Where did you find that adjustable powder tube for your measure?? I use a Belding bench mounted ,but only have the original tubes with it... Thanks... Randy A.
  
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Re: SR4759 in .32-40
Reply #14 - Dec 9th, 2018 at 6:11pm
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Thank you Irish over the years I have sold a few things and one of my biggest regrets was my B&M measure I bought back in the early 70's more as a keep sake than to use. Appreciate how you used a micrometer head for your measuring tube and very ingenious. How are you cutting your cork wads I have one Fred Cornell's tools that I used for my 32-40 and I seated my wads behind the bullet and not into the case. Reason I ask is mine is no longer seeing any use having switched over to my 28-35SS for competitive use and thanks for sharing. 

JLouis
  

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