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September 12, 2020, 04:06 PM | #1 |
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Reloading 38 Super - 9mm Bullets?
Is it safe, acceptable or common practice To use 9mm bullets for reloading 38 Super? Is it just a matter of matching up acceptable diameter and grains to ensure it does not exceed the max velocity? I believe the length plays a role in it, but does that only effect accuracy? Thanks. Any other insight is appreciated, not wanting to ruin the bore or whatever else. I was looking at using this for doing it as it seams to coincide with measurements. I want to use TMJ copper plated.
I was looking at buying on of these, but unsure which would be recommended. [IMG] 9mm- 147 RN 9mm- 147 RN www.xtremebullets.com 9mm- 147 RN Diameter: 0.356 or [IMG] 9mm-124 RN 9mm-124 RN www.xtremebullets.com 9mm-124 RN Diameter: 0.355 |
September 12, 2020, 04:28 PM | #2 |
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You'll probably end up blowing the plating off at 38 super velocities. Plated bullets have a speed limit, for lack of a better term. Check with the MFG, and keep it under that. It should be listed on their page. Rmr bullets plating is a bit thicker so I'm told it will handle higher velocities. Just something to keep in mind.
As for bullets, as far as I know, yes, 9mm and 38 super take the same diameter. The super can just take heavier bullets, which end up being longer. But I've shot 152 grain bullets in 9mm too. Sent from my SM-G975U using Tapatalk |
September 12, 2020, 06:08 PM | #3 |
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The article below might answer some of your questions...
https://www.shootingtimes.com/editor...r-loads/326242 |
September 13, 2020, 02:47 PM | #4 |
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When it comes to bullet types and grain weight use, would TMJ bullet grains required be equivalent to FMJ bullet grains that are listed in manuals? HP? XTP? Lead?
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September 13, 2020, 06:24 PM | #5 | |
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Quote:
FMJ = Full Metal Jacket -- but most full metal jacket bullets aren't really fully jacketed. Most leave the base of the bullet uncovered. TMJ = Total Metal Jacket -- a term used by some manufacturers to describe bullets that are actually plated rather than "jacketed," but the plating is thicker than projectiles sold as "plated." A TMJ bullet has the lead at the base of the bullet coated, as well as the body and nose of the bullet. HP = Hollow-Point. What the name implies. There's a hole in the nose of the bullet. XTP = XTP. It's a trade name for one specific bullet design by one particular bullet manufacturer. Lead = lead.
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September 13, 2020, 07:59 PM | #6 |
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I could be wrong but I think he's asking about the grain weight of powder charge being the same for all types of bullets of the same weight.
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September 13, 2020, 10:35 PM | #7 |
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While I do understand the desire for input and confirmation, these questions are adequately explained in almost all reloading manuals.
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September 13, 2020, 10:43 PM | #8 |
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See Firearms Forum for my answer.
Been shooting 0.357" jacketed bullets in 9x19, 9x21, and .38 Super for decades. In the '70s, you couldn't find 0.355" bullets and reloaders never thought anything about it as they were loading 0.356 and 0.357" jacketed bullets without issue. Look, if you are asking about the charge weight, the STARING load is the SAME and you WORK UP the load. Whether the bullet is 0.355, 0.356, or 0.357", the load work up is same--start at starting load and watch for any signs of over pressure. Maybe you only fire a couple of rounds at the start load, but you still start there and you still LOOK for signs of over pressure Caveat: 9x19 is the only round where I found this, but LOW pressure 9x19 rounds actually CAN flatten the primer, with no other sign of pressure. That may mean the low pressure round actually produced some sort of over-pressure spike somehow (though I tend to suspect the head space gat is too great in many 9x19 chambers and the primer simply backed out a bit before the case slammed back and flattened the primer), but I've seen it twice during load workup in my 9x19s. Next 0.2-0.3gn heavier charge weight set gave perfect looking primers. Last edited by noylj; September 13, 2020 at 10:49 PM. |
September 13, 2020, 11:15 PM | #9 | |
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Quote:
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September 13, 2020, 11:30 PM | #10 |
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September 14, 2020, 11:17 AM | #11 |
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It's a good thing we all speak the same language or we might not understand what other people are saying ...
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September 14, 2020, 08:23 PM | #12 | |
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Quote:
38 Super can be run and run hard with the right bullets and powder combinations. Some experimentation is in order. And FWIW, Xtreme Bullets offers load data for THEIR bullets. One can simply call them and ask if their data covers 38 Super before purchasing. |
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September 16, 2020, 09:23 PM | #13 |
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Reload data 38 Super
Well damn I’ll definitely need to do more homework. So is it fair to say that this is in the ballpark using copper TMJ? 124gn/AA5: 6.7-7.6gn.
Last edited by Benchmark12; September 16, 2020 at 09:30 PM. Reason: Add pic |
September 17, 2020, 06:09 AM | #14 |
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Yes look like
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September 17, 2020, 11:53 AM | #15 |
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