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Discussion Starter · #1 ·
I recently purchased a used SP101 in .327 Fed Mag that came with both a substantial quantity of .327 Fed Mag brass and .327 Fed Mag American Eagle 100 grain ammunition. To develop some loads that have less recoil, I will be exploring loading .32 H&R rounds; however, .32 H&R brass is seemingly quite scarce. So... I am curious about the possibility of loading .32 H&R equivalent rounds in the .327 Fed Mag case. I would like to know if anyone has tried this and, more importantly, if it would be a safe round to attempt, particularly with a powder that is NOT position sensitive. Or, as I have read in another thread, using a small amount of polyester filling to maintain powder position. It was my intent to direct this question directly to Iowegan via a "conversation" but I have not been a member long enough to have made the minimum 10 posts required before a DM is allowed. Therefore, using the adage "there are no dumb questions", I am posting my inquiry for the world to see. Thank you.
 

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Fear not. Have you held the two cases side by side and compared? The length difference is so little as to make little difference in pressure or powder sensitivity.
Filler would be a waste of time.
Just pick the bullet you want to use and the velocity you want to achieve and have fun .
The only caveat is stay away from downloading the really slow powders especially H110/296.
 

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I like a little heavier bullets, and using unique powder, I have developed some great “milder” loads. My favorite is a 119 grain home cast and powder coated bullet, over 4.7 grains of unique in 327 brass with a cci 500. This gives me about 1100 fps.
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I recently purchased a used SP101 in .327 Fed Mag that came with both a substantial quantity of .327 Fed Mag brass and .327 Fed Mag American Eagle 100 grain ammunition. To develop some loads that have less recoil, I will be exploring loading .32 H&R rounds; however, .32 H&R brass is seemingly quite scarce. So... I am curious about the possibility of loading .32 H&R equivalent rounds in the .327 Fed Mag case. I would like to know if anyone has tried this and, more importantly, if it would be a safe round to attempt, particularly with a powder that is NOT position sensitive. Or, as I have read in another thread, using a small amount of polyester filling to maintain powder position. It was my intent to direct this question directly to Iowegan via a "conversation" but I have not been a member long enough to have made the minimum 10 posts required before a DM is allowed. Therefore, using the adage "there are no dumb questions", I am posting my inquiry for the world to see. Thank you.
Yes, 32 H&R brass is hard to find. In the beginning I would load about 5 or 6 times then replace the brass. Now I have some loads well over 10 times. If
it makes it through the Sizer without issues I load it again. I haven't seen any split, mouth cracked or head damage yet. So if you find some use it to the very
end.
 

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I recently purchased a used SP101 in .327 Fed Mag that came with both a substantial quantity of .327 Fed Mag brass and .327 Fed Mag American Eagle 100 grain ammunition. To develop some loads that have less recoil, I will be exploring loading .32 H&R rounds; however, .32 H&R brass is seemingly quite scarce. So... I am curious about the possibility of loading .32 H&R equivalent rounds in the .327 Fed Mag case. I would like to know if anyone has tried this and, more importantly, if it would be a safe round to attempt, particularly with a powder that is NOT position sensitive. Or, as I have read in another thread, using a small amount of polyester filling to maintain powder position. It was my intent to direct this question directly to Iowegan via a "conversation" but I have not been a member long enough to have made the minimum 10 posts required before a DM is allowed. Therefore, using the adage "there are no dumb questions", I am posting my inquiry for the world to see. Thank you.
Was able to find 32 H&R Magnum brass on MidwayUsa

 

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Discussion Starter · #7 ·
Was able to find 32 H&R Magnum brass on MidwayUsa

tronicst1, I did see those at Midway. I'm just not much of a nickel plated case fan and, as I said, I have a substantial amount of .327 Fed Mag brass I'd like to use. Thank you for the suggestion, though!
 

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I can't say that I've done what you are asking about since I am using 32 H&R brass and shooting it in a .327 Single Seven. I don't have a stockpile of .327 brass, yet.

Maybe Iowegan will be along soon to answer your question.

Good luck.
 

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Hodgdon has data for 327 Fed using a 115 grain cast bullet.

I used W-231 powder with a SNS cast 115 RNFP.
Accurate and not a thumper.
 

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Just use .32 H&R Magnum data for your .327 cartridges and enjoy :) . No problem. Just like any other cartridge... like we do with .44 Magnum (Use .44 Special data) and .357 Magnum (use .38 special data). And no filler necessary. Test until you find a good combination over the chronograph and on target :) .

Take for example the AA#5 load shown in table above for the 100gr bullet. Starting load there is 6.8gr . But looking at same bullet for .32 H&R magnum the starting load is 3.1gr . So now you have a range of 3.1gr to 8.0gr range under that same bullet. If it was me, I'd start at say 3.5gr and work up to the velocity/accuracy you want from that bullet in the .327 cartridge. Hope that helps.
 

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When you are developing "light loads" , make sure (100% sure ) that your lightly loaded bullets exit the barrel . Light loads can possibly stick bullets in barrels and jacketed bullets are easier to stick than lead , coated lead 0r plated . If a bullet does stick ... it must be pushed out with a range rod ,,, Do Not Try and Shoot it Out ... Bad Things Will Happen .
Except for this one thing , down loading isn't dangerous or damaging .
Just get enough powder in there to make 100% sure the bullet exits the barrel and puts a hole in your target ! Trust Me ... I did it once ... Too light loaded , I didn't fire but one ... had to go home for Rod and pull the 49 remaining bullets ...
Called ... Learning The Hard Way !
Gary
 

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Discussion Starter · #12 ·
I thank you all for your helpful advice! I did expect it to be quite similar to loading .38 special loads in .357 brass.

However, I do still have some apprehension in choice of primers. All .327 Fed Mag loads in Hodgdon loading data calls for small pistol magnum primers but online available Western Powders (Accurate) load data for .327 Fed Mag shows using Winchester WSP primers. Further, I believe the .327 case has a water case volume of 19.0 gr (where Hodgdon calls for small pistol magnum primers to ignite 4.8 to 5.4 grains of HP-38 for a 100 grain bullet); on the other hand, I believe the 40 S&W has a water case volume of 19.3 gr. and the Hodgdon data calls for small pistol primers to ignite 5.6 to 6.6 grains of HP-38 under a 97 grain bullet. So, two rounds very similar in volume of case and amount of powder but different primers.

I'm trying to stay safe and do things correctly but... am I giving this too much thought?
 

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Fear not. Have you held the two cases side by side and compared? The length difference is so little as to make little difference in pressure or powder sensitivity.
Filler would be a waste of time.
Just pick the bullet you want to use and the velocity you want to achieve and have fun .
The only caveat is stay away from downloading the really slow powders especially H110/296.
What he said !^^^^^^^
 

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You will most definitly Not Need magnum primers to ignite HP-38 .
If the load data you are looking at was developed with magnum primers you might get a few fps lower velocity and a little less pressure .
Powders that Need magnum primers are ones like H110 and 2400 .
HP-38 is a easy to ignite powder ... double check that data ... magnum primers with HP-38 just doesn't sound right ... but maybe the magnum primers were all they had ... shortage you know !
Gary
 

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However, I do still have some apprehension in choice of primers.
I'm trying to stay safe and do things correctly but... am I giving this too much thought?
When reloading there is no such thing as overthinking. :unsure:
But,,,, in this particular quandary of primers there is little difference.
You have never stated what powder is in your plan so I will go out on a limb and say.
With most fast to mid burn rate powders neither you nor your gun will be able to tell a difference between primers. Standard, magnum or even small rifle. :eek:
Use what you got.
I generally save my magnum primers for 110/296, #9,2400 loads but as I have so many, I may start using them for everything.
 

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I taylor all my loads in 327 brass. It eliminates the possibility of a carbon ring build up and mistakenly loading a 327 load in 32HR brass.
Some data suggests SPM or SR because of pressure instead of ignition. I use standard SP in everything I load except the hottest loads. My favorite is a home cast 100 grain at about 800 fps, it works well on pine cones, coke cans, rabbits and squirrels ect. For heavy loads it’s a 100 FTX at 1700 fps or 130 cast at 1250fps.
You can make the 327 do mild or wild and everything in between.
 

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I thank you all for your helpful advice! I did expect it to be quite similar to loading .38 special loads in .357 brass.

However, I do still have some apprehension in choice of primers. All .327 Fed Mag loads in Hodgdon loading data calls for small pistol magnum primers but online available Western Powders (Accurate) load data for .327 Fed Mag shows using Winchester WSP primers. Further, I believe the .327 case has a water case volume of 19.0 gr (where Hodgdon calls for small pistol magnum primers to ignite 4.8 to 5.4 grains of HP-38 for a 100 grain bullet); on the other hand, I believe the 40 S&W has a water case volume of 19.3 gr. and the Hodgdon data calls for small pistol primers to ignite 5.6 to 6.6 grains of HP-38 under a 97 grain bullet. So, two rounds very similar in volume of case and amount of powder but different primers.

I'm trying to stay safe and do things correctly but... am I giving this too much thought?
I've never used magnum primers either. I don't recall which powders I use but all my reloading is pretty much centered around ACC#2, ACC#5, ACC#9, UNIQUE AND CFE ...
 
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