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May 10, 2019, 08:42 PM | #1 |
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Odd brass turned out to be .38 Short Colt
The title says it. While loading some 9 mm this evening, I ran across a piece of rimmed brass of the same length. Head stamp was RP 38 SC. I confess that I had to google it to learn that it was .38 Short Colt. I know only what I found online, but according to Wikipedia it was created to convert 1851 Colts to cartridge revolvers.
Never encountered it before - thought it might give someone a grin, and some of you folks with far more knowledge than I might fill us in a bit more. |
May 10, 2019, 09:13 PM | #2 |
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Currently used by some revolver competitive shooters because short cartridges are quicker to align with cylinder chambers than long cartridges, like the 38 Special.
The 38 short colt and 38 long colt will fit in 38 special chambers. The only difference is their length. |
May 10, 2019, 09:19 PM | #3 |
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…and Starline makes new brass for it.
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May 10, 2019, 09:32 PM | #4 |
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Remington loads factory ammo for it. Magtech does too, but they call it 38 Special Short.
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May 11, 2019, 04:39 PM | #5 |
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I've dabbled with 38 SC just for fun. Loaded a 100gn DEWC under 1.8 grains of Bullseye, if memory serves.
Just looked it up. Here it is . . . I've loaded a 105gn TFP (Truncated Flat Point) with 2.7 grains of Bullseye. Yielded 730 f/s through a 4" bbl (Smith Model 67 38 Special revolver). And a 100gn DEWC with 1.8 grains of Bullseye. 548 f/s through the same gun. They can be decapped and sized with a conventional 38/357 sizer die. I flaired them with a 9mm flair die. I seated them with an RCBS 38SC specific seater die. A die which cost a great deal, considering I was just having a little fun by loading them. I also bought 500 pcs of Starline brass just for this "fun." I wish there was a modern revolver specifically chambered for 38SC - that would be neat and fun. I'd shoot a lot more of them. But putting them in a 38 Special revolver (let alone a 357 revolver) with the nearly 400/1000" open charge hole space before reaching the cylinder throats doesn't sit well with me. I'm thinking accuracy and clean up issues (like the infamous "ring" from shooting 38's in a 357 - I don't like that either). They are used a lot in revolver competitions, using moon clips. I don't think they have any other modern use.
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May 11, 2019, 04:51 PM | #6 | |
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Quote:
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May 11, 2019, 09:02 PM | #7 |
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Thanks for the interesting comments, guys. I suppose with the case that short that the original black powder rounds, back when its purpose was converting the Colt Navy pistols, didn't generate much velocity by modern standards?
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May 11, 2019, 09:56 PM | #8 |
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.38 Central Fire for .36 C&B conversion was pretty much the Long Colt.
I don't know what was native in Short Colt. |
May 12, 2019, 07:16 AM | #9 |
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".38 Central Fire for .36 C&B conversion was pretty much the Long Colt.
I don't know what was native in Short Colt." "I suppose with the case that short that the original black powder rounds, back when its purpose was converting the Colt Navy pistols, didn't generate much velocity by modern standards?" Well... no, not really, despite a lot of what you see on the intertubes. The cap and ball conversion cartridges weren't, to a large degree, set up for centerfire conversion, but rimfire. Some of the old cap and ball revolvers are seen in centerfire, but they are very rare, and as I understand it there's quite a bit of debate as to whether they were original, or later "converted conversions." The original conversion cartridges for the 1851 were the .38 Short/Long rimfire. Both of these cartridges were developed either during or just after the Civil War. Remington was chambering rifles in .38 rimfire in 1866 or so, and arms and ammunition catalogs of the late 1860s show both the .38 short/long rimfire (as well as the other .38 rimfires that were around at the time). The .38 Short/Long centerfires weren't introduced until sometime in the 1870s. The .38 Long centerfire was first cataloged as a Colt round in 1875 the New Line, New House, and New Police revolvers.
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May 12, 2019, 03:14 PM | #10 |
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According to Flayderman, most of the conversions were done after 1970; some even bearing 1871 and 1872 patent dates. A lot of those were not really conversions, they were built for cartridges out of parts on hand.
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May 12, 2019, 03:20 PM | #11 |
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The conversions really kicked off after S&Ws patent on the bored through cylinder expired in 1869.
But the majority were converted prior to the introduction of the Colt centerfire .38 cartridges in the mid 1870s. And most, if not all, were converted for the rim fire cartridges because it worked well and easily with the existing hammer and frame configuration. Sent from my SM-G960U using Tapatalk |
May 12, 2019, 04:12 PM | #12 |
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Hmm. I wonder about a Modern Big Bore Rimfire.
.22 LR is 24000 psi maximum, which is .38 Special +P+ |
May 12, 2019, 05:02 PM | #13 |
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Mike is right. IIRC, the 38 Short Colt (38 SC) had a 0.375" heeled bullet in a rimfire case, so it looked sort of like a giant 22 Short. When the centerfire version emerged, it was called 38 Short Center Fire (38 SCF), but later people got lazy and dropped the "F" at the end and it became what is now called 38 SC, which people took to mean 38 Short Colt, even though that's not really what it is. It's like calling the 45 Colt a 45 Long Colt, only backwards.
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May 12, 2019, 06:43 PM | #14 |
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These are three of the four cartridges we're talking about...
.38 Short rimfire, .38 Short Colt, and .38 Long Colt. I don't know where my .38 Long rimfire got to, but it's around somwhere. The .38 Short Colt (centerfire) is a post WW II round, as evidenced by the relief cut above the rim. The .38 Long Colt is a military round loaded at Frankford Arsenal around 1898, IIRC. It's the Army round, as it has the .357 caliber bullet. The Navy round maintained the old, heeled bullet design that gave it a .375 diameter bullet.
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May 12, 2019, 06:48 PM | #15 |
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"Mike is right. IIRC, the 38 Short Colt (38 SC) had a 0.375" heeled bullet in a rimfire case, so it looked sort of like a giant 22 Short."
Except you're incorrect in your terminology, Nick. The .38 short rimfire round was never known as the .38 Short Colt. I've never seen any evidence that any of the early .38 rimfires were ever identified as originating with Colt or any other firearms manufacturer.
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May 12, 2019, 07:12 PM | #16 |
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more information for readers who want to learn more.
https://en.wikipedia.org/wiki/.38_Short_Colt https://en.wikipedia.org/wiki/.38_Long_Colt https://www.guns.com/news/2011/08/25...ing-in-between |
May 12, 2019, 07:15 PM | #17 |
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The guns.com article repeats the fallacy that the .38 centerfire was developed as a conversion cartridge.
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May 12, 2019, 08:02 PM | #18 |
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Interesting. My memory probably tripped me up on the heeled bullet, as I hadn't recalled it being loaded in the centerfire case. Nifty to see the photo.
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May 12, 2019, 09:06 PM | #19 |
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I'm not sure but the first Colt revolver chambered in .38 Short Colt may have been the Model 1872.
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May 12, 2019, 09:15 PM | #20 |
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R.L. Wilson's book on Colt says that centerfire conversions were made from old cap and ball guns and parts but he gives no figures other than overall totals.
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May 12, 2019, 09:17 PM | #21 |
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The .41 LC is kind of the archetype of the heeled bullet category. Seems like a clearer history than the .38s.
I have read that the .38 Short Colt is the US version of the English .380 Revolver, seen there ca 1869 for the smaller Bulldogs. Listed in 1939 Stoegers. I think i will go with Norm Flayderman on the centerfire conversion front. As far as I know, the 1872 "Open Top Frontier" was strictly .44. |
May 12, 2019, 09:22 PM | #22 |
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Does Flayderman say anything specifically about centerfire conversions?
Your posts are unclear on what it actually says. Sent from my SM-G960U using Tapatalk |
May 12, 2019, 09:28 PM | #23 |
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Oh, and the .41s are no clearer.
.41 Short and Long rimfire rounds preceded the .41 Short and Long Colt centerfires. Same with .32 Short and Long rimfire preceding the .32 Short and Long Colt centerfires.
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May 12, 2019, 09:44 PM | #24 |
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Flayderman says, frex
"Conversion of the Model 1851 Navy. Made primarily in the mid 1870s; total production of about 3800. .38 rimfire and .38 centerfire. 6 shot cylinders, 7 1/2" barrels, octagonal with ejector rod attached and the loading lever removed and barrel lug plugged." No breakdown of RF - CF or distinction in value. Similar description of other .36s. He does know the difference, listing the 4 1/2" Octagon Barrel Revolver (A 5 shot Pocket Navy conversion.) only in .38 Rimfire. |
May 13, 2019, 10:13 AM | #25 |
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Some of the Cowboy Action shooters use them. In a 38 special single action revolve their ejection is more positive. I think that's the main reason you can still get new brass.
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