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09-28-2019, 05:22 AM
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Corbon .38 Spl. +P
About 10 years ago I had some Corbon .38 Spl. +P that was
marked on the box 1,250 fps and 382 ft. lbs. muzzle energy.
Next time I went to buy some I noticed they had to cut it
back to 1,050 MV and 269 ME.
I still have some of the 1250/382 but am wondering why they
might have had to cut back on it? Wondering if it is too peppy
for my 642-1? Any possibility of damage to the gun?
Opinions appreciated. Thank you.
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Last edited by crazyphil; 09-29-2019 at 11:49 AM.
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09-28-2019, 08:02 AM
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While they've always been popular, the uptick in popularity of ccw/micro pistols in the last 10 years or so may have temped Cor-Bon to tame their original +P load to be slightly more shootable. Also IIRC Cor-Bon changed hands a few years ago and new ownership might have something to do with it?
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09-28-2019, 11:29 AM
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Cor-Bon used to market a 38 Special load using a 115 grain bullet at 1250 fps, but it was not +P, it was listed as +P+. This stuff exceeded SAAMI specs for +P 38 Special and was treading into 357 Magnum pressure levels. Cor-Bon dropped this load years ago due to people using this load in small (J-frame) revolvers that could not handle such pressure and the load did not perform significantly better than their +P 38 Special load.
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09-28-2019, 12:46 PM
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The old "Atomic" ammo was good stuff but did come apart and separate into small pieces some times.
The new all "Copper Bullet" of today, is a lot slower but it also stays in one unit
and has a huge mushroom with its pedals folded back, on penetration.........
which is a vast improvement over the older ammo.
This also means faster follow up shots and less recoil, which is a good thing.
Both will work, though,
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09-29-2019, 07:08 AM
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corbon 002.JPG
Found these 2 in my stash...They still offer the 9mm but the 38 has been seriously 'reformulated'....
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09-29-2019, 08:47 AM
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I don't see how anyone could get 382 ft-lbs without exceeding the +P specs by quite a bit. They probably cut the load back due to liability concerns.
But part of the reduction might be due to using a 2 inch barrel. Back when Corbin started out service revolvers with 4 inch barrels were still pretty popular. Now it seems like snubbies are much more popular so measuring velocity out of shorter barrel makes more sense.
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09-29-2019, 11:56 AM
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Haven't shot any yet but I just bought a box of 110gr +P. Same velocity and ME as the OP's.
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09-29-2019, 03:12 PM
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Quote:
Originally Posted by snuffy19608
Haven't shot any yet but I just bought a box of 110gr +P. Same velocity and ME as the OP's.
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It was probably ten years ago when I called them. They told
me they had to discontinue that muzzle velocity and energy.
What you just bought must have been on someone's shelf
for quite a while.
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10-10-2019, 09:15 PM
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Just because it can be done doesn't always mean it is a good idea. I would be very leery about using that ammo in my .38 revolvers, especially the lightweight J-frames. I would be at least a little reluctant to use it in a medium-frame .357 magnum.
YMMV
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10-20-2019, 05:02 AM
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It seems like Corbon was trying to make their version of the .38 +p+ treasury load. Basically a light .357 Magnum, as both the Remington and Winchester 110 grain claim 1295 fps. This also makes me wonder about Corbons 110 grain 357, as they claimed 1500fps!
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10-20-2019, 01:33 PM
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"It seems like Corbon was trying to make their version of the .38 +p+ treasury load." Quote;
When I first got my new 686 6" revolver I tested a lot of 38 special +p or hotter loads out
across my chrony, to see what they were doing and if they "Might" be safe
to shot in my little "J" frame.
It was no problem to get the little 38 special case with a 110gr bullet up to the
Treasury load area with slow powders that reached an average of 1305 fps.
I did find out that a 110gr JHP in my 6" barrel doing 1132fps
would be a "Maximum" +P loading in my little J frame snub nose, pressure wise.
Even though the 110gr in my J frame would do 996 fps, I still ended up
going to a heavier bullet for my SD load, with my tests.
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