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Old 04-14-2007, 01:16 PM   #1
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.32 ACP Handloads

I have just purchased a CZ-83 in .32 ACP and also have a new set of dies for it. I have some brass and 77 grain lead round nose bullets (Oregon Trail) coming.



I am interested in hearing about any reloading other members have done in this caliber.



Also, how heavy of a (lead) bullet has anyone loaded? Has anyone loaded a HBWC? Bullets for the .32 S&W, .32 Mag variety are .314" typically, while the ACP is supposed to be .312". 2/1000" wouldn't be hard to trim off with a sizing die. There are some SWCs available around 90-94 grains.



I've been googling ".32 acp" and "handload". I'm finding often that the conversion cylinder for the 7.62 Nagent Revolver is being referenced, where longer bullet length isn't an issue.



Thanks,



Bruce



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Old 04-16-2007, 10:02 AM   #2
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.32 ACP Handloads

Howdy Mr. Bruce,



I have never loaded the .32acp (7.65) so I can not give you any info on the questions you asked.



About the best I could do was check some reloading manuals to see what weight bullets they listed for the round.



Accurate revised no. 2: 84gr LRN, 71gr Sra FMJ, and 85gr Hdy XTP



Hornady 5th ed: 60gr Hdy XTP, and 71gr FMJ



Speer no. 13: 60gr GDHP



I am aware you reload sir, but since you are buying the dies, I think this is a new one for you if I recall. I noted this statement from the Speer manual, and simply wanted to pass it along to you for information:



" Like the 25 Auto, small charge weight variations in the 32 Auto will make significant pressure changes. NOTE THAT WE RECOMMEND THAT THE LOADS PRESENTED BE USED EXACTLY AS SHOWN. Reducing the charges even 0.2 grain results in extreme pressure and velocity variations. We strongly recommend that all charges be carefully hand-weighed to minimize such variations."



You are probably already aware of this caution, but I noted it while reading up on the caliber. I was not and just wanted to pass it along just in case.



I also noticed in the Speer manual they gave only one charge for each of the powders listed. Hornady listed various powders, and I noted sometimes their min to max was only 0.2 grain and sometimes as high as 0.5 grain spread. In the Accurate manual, all of the min to max charges were a 0.2 grain spread, with one exception which was 0.3 grain.



From the charges given it does appear, within the 3 manuals, that the min to max spread is very small. I have other manuals I can check if you would like, but these 3 were still on my desk from answering someone's pm earlier. The others are in my gun room. Just yell if you would like me to check other manuals for you.



Please keep us posted on your thoughts reloading this round. I think you will be the first person I know of who has reloaded the 32acp. It is a highly regarded round to be sure, but simply not one my shooting friends or I have ever played with.



Good luck.



twoguns
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Old 04-16-2007, 09:32 PM   #3
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.32 ACP Handloads

twoguns,



Thanks for looking that up. I'm spending a week on the road, and won't get to pick up the CZ until a week from Monday. In the meantime, I'm doing the reading.



I was able to contact Ed Harris, who gave me some great info on firing lead in the .32 acp. including two Excel spreadsheats. Ideally I'll be able to replicate some of his loads.



I certainly won't be going through a pound of powder very fast with this little cartridge!



Thanks again,



Bruce
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Old 04-17-2007, 06:46 AM   #4
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.32 ACP Handloads

Howdy Mr. Bruce,



You are very welcome sir. I am glad to hear you have found some useful information on lead loads too.



As you have the time, please share your results with us here. I am sure our members would find your experience useful.



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Old 04-24-2007, 11:09 AM   #5
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.32 ACP Handloads

Gentlemen,



I put together the Oregon Trail 77 grain LRN bullets with 1.9 grain of Bullseye in Magtech brass with Remington small pistol primers. I crimped in the crimp groove, which gave me an O.A.L. of .962", purt' near what a Selliers and Bellot 73 grain FMJ store-bought measures.



I fired 90 of them at the range. They had enough poop to cycle the action and seemed fairly accurate, generally hitting what I was aiming at (P0A=POI +/- a little bit, for the technically minded).



While I was there I fired a box of S&B FMJ, noticing significantly sharper recoil and much further brass ejection (>20 feet). I also shot five Magtech 71 grain LRN, but I stopped with those after experiencing rimlock and needing to disassemble the magazine to rectify it.



When I got home I dissassembled the gun and set various cases and cartridges into the chamber, mostly to bond with the new firearm, but also to get an idea of headspacing and chamber fit. Part of this was brought on by the knowledge that S&B brass wall thickness is almost .002" greater than US brands. It also turns out that a CZ83 has a .3095" bore, instead of a .311 or .312 or even .313" bore commonly found in US pistols. Add to this fact that most US guns don't headspace on the mouth of the brass, but use the small rim instead. (Did you know that the .32 ACP is a semi-rimmed cartridge, similar to the .38 Auto and .38 Super Auto. -> (even more arcane knowledge: some folks use that little rim to fire these in revolvers that are chambered for .32 S&W, .32 S&W long and .32 H&R Mag)).



As a result of the much tighter european chamber specs, any bullet wider than .309" won't really chamber without a bit of force to smush the little driving band ahead of the crimp groove passed the step at the end of the chamber. So what was happening was that when I'd drop the slide, it would cram the lead in and seat the bullet, then firing would send bullet out of the muzzle and the brass would jolly well blow the blow-back out and I fired 90 rounds as happy as a clam. But when I saw how it didn't chamber right, I put the gun back together, racked one in, then I yanked and yanked on the slide to no avail. I ended up needing to poke the round out with a rod stuck in the muzzle to free the bullet. (I thought going down to the basement and firing it, since my wife wasn't home, but we live in the city and I didn't need the grief-- now Aguila Colibri .22 is another story....)



So, I've ordered some 84 grain LRN that are sized like .309" and originally intended for the .30 Luger. Ideally I'll get them before the weekend so I can report in a timely fashion. Monday I'm headed out on the road for two weeks, flying, so there is no chance of taking any ordnance along with me. (Trip is to New Jersey).



If anyone has any experience with loading for this gun I'd be fascinated to hear of your experience. I've been in contact with Ed Harris who is quite a gun writer and aficianado of the boomstick. He has used up or given away all gunpowders except Bullseye, RL-7 and RL-12 I believe, in an interesting attempt to minimize variables and simplify life



I am, however, still a new-powder-aholic and have wondered if a slower burning powder like perhaps Blue Dot, 2400 or maybe even L'il Gun has ever been used in these in compressed loads? I've got a strong gun with a relatively long barrel.



Any ideas? Stay tuned...



Bruce
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Old 04-24-2007, 01:22 PM   #6
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.32 ACP Handloads

I have these bullets on order. They are sized at .309".



They are also available sized at .311" or .313"



Since my last lead bullets were .313", and a bullet at .309" chambered fine, I'm hoping these will be the ticket.



http://gardnerscache.com/30_luger_84...b_bullets.html



If they work fine, I'll just buy a .309" sizing die from Lee and work over anything that I buy with it.



I am planning to start casting my own bullets. This one listed above is cast with a Lyman #313249.



The extra weight should be great for knocking down steel plates.



Bruce
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Old 04-24-2007, 06:48 PM   #7
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.32 ACP Handloads

Mr. Bruce,



Thanks for your reports sir. Any of our members who own or buy a CZ or something very similar and want to reload will get a ton of help from what you have already posted.



I do the same thing basically in reverse to load my 357 Sig rounds. They will accept the 9mm bullets (.355), but I have found the 38 Super projectiles (.356) are a better fit, as they are tighter in the case mouth and hold a firm crimp well. But I am luckier than you are it sounds. In a pinch if I run out of my .356 bullets the .355s will work fine.



When you have the chance you might want to take a look at the Accurate Arms powder site. They have a ton of helpful info on their various powders, with an on-line loading manual too. It will let you check rifle, handgun, blackpowder, CAS load data and some others.



I have basically switched over to AA powders for all my reloads now. Most of their handguns are ball powders, and cycle much better in my progress machines than Bullseye or Unique would. But I am very impressed with their line of powders and load all my handguns and all my rifle loads using them now.



Hopefully some members with .32acp reloading experience will be able to share their thoughts, and some suggested loads with you too.



Thanks again for posting you info here.



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Old 04-24-2007, 08:03 PM   #8
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.32 ACP Handloads



As I sat thinking about my alternatives, I realized that a .309" Lee sizing die for $10 from Midwayusa would allow me to modify my remaining 400 77 grain Oregon Trail LRN bullets. If it works, I can then buy any lead bullet that is perhaps too big, run them through the die and I'll be in business.



And I have 500 85 grain LRNs coming my way sized at .309".



Also on order is a box of 100 Remington 71 grain FMJ's. I believe they will work just fine due to their shape.



I have some reloading data covering LRN bullets up to 94 grain.



Stay tuned!
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Old 04-29-2007, 12:34 PM   #9
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.32 ACP Handloads

I was able to spend a few minutes at the range today.



I fired both 77 grain and 84 grain lead round noses sized to .309" with 1.9 grains of Bullseye. They both had enough umphf to reset the slide, etc.



I took my dies and handpress with me, and made up three rounds with the 84 grain bullet and 3.5 grains of Bluedot. I intend to do more with Bluedot over time. I'm going to nudge it up gradually a ways from there, and on the horizon I will be loading bullets up to but not likely beyond 100 grains. After that, I will need to start soaking the newsprint and perhaps acquire a chronograph.



Probably much of what I learn won't be too useful unless a person has a CZ-83. I think that is likely the most rugged .32 ACP gun out there.



Stay tuned!



Bruce







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Old 05-01-2007, 01:57 PM   #10
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.32 ACP Handloads

Mr. Bruce,



Thanks again, and please keep your experiences coming as you have the time.



From what I read here there are some great deals on the CZ 83s and 82s out there. So you may well be blazing some new trails for some of our other members thinking about one of these pistols and possibly reloading for them to practice too.



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