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Post by webber on Feb 3, 2023 17:55:42 GMT -5
I have a Ruger GP100. If I seat the Keith 358429 to the crimp groove the cartridge is almost at the end of the cylinder.
Has anyone experimented on deep seating with this bullet with 2400.
That is probably what I will do as any jump will tie up the gun.
Thanks.
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Post by taffin on Feb 3, 2023 18:43:02 GMT -5
This is a perennial problem with that bullet. The Smith & Wesson .357 Magnum And Highway Patrolman and some Ruger Flat-Top Blackhawk .357s all had cylinders too short to use this bullet properly crimped in .357 Magnum brass. Back in the 1950s when I started shooting all of these .357 brass was almost impossible to come up with while .38 Special brass could be had for the asking. I loaded thousands upon thousands of rounds using this bullet in .38 Special brass over 13.5 grains of #2400. This is exactly what Keith suggested for use in all of these. Yes I have also used them crimped over the front band in .357 brass--no problems. With #2400 all loads should use standard primers. Magnum primers use begins at #4227, H110, W296, and AA9.
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Post by hounddogman on Feb 4, 2023 12:32:35 GMT -5
The Lyman Pistol & Revolver Handbook 3rd Edition data for this bullet is deep seated .That said, I've been shooting the Keith bullet full length from a couple of GP100s lately with no issues. Jumping crimp is not a big problem for the 357 in full size steel guns.
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tj3006
.375 Atomic
Posts: 2,080
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Post by tj3006 on Feb 4, 2023 16:28:29 GMT -5
Two good points here.
John's Idea Using 38 brass, is a good one. But I think I might try hound dogs Idea too. But I might add to it , use a Lyman M die to open your case mouths , And seat your bullets as a separate step from crimping. I Crimp With a Redding die. Bullet jump at least in my opinion, is most often a product of a mistake in reloading.
I Shoot some loads through my .327 federal, that come awfully close to the face of the cylinder....tj
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Post by rjm52 on Feb 4, 2023 19:47:16 GMT -5
Love real Keith bullets but when it comes to lead SWCs in .357s and .38s I went with the 357156 Lyman/Thompson in both GC and Plain Base versions. They run in everything...
Have said it before...why S&W didn't extend the cylinder full length in their .44 frame and minimize the extended barrel shank is beyond me... Instead they cheaped out and just made a fancy Outdoorsman. At least they learned their lesson and extended the cylinder on the Combat Magnum (Model 19)...
...rant over...
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Post by hounddogman on Feb 5, 2023 1:16:30 GMT -5
Testing inserting a photo . Rimrock bullets Keith in 357 brass in my 2.5 " gp100.  |
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Post by blackmamba on Feb 5, 2023 8:40:07 GMT -5
You can always dedicate a hundred cases (or whatever) to that bullet and trim them to something like 1.24" to give yourself some extra clearance to crimp in the proper groove. An additional .050" should be plenty.
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Post by ezekiel38 on Feb 5, 2023 18:04:01 GMT -5
;The Hornady 357 cases are a few thousands of an inch shorter than any other 357 brass I have owned. I used to segregate them because I had to change the die setting for crimps to go in the cannalure on Hornady cases. That might be an easy solution. Call the Hornady folks and see what they have to say.
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Post by 2 Dogs on Feb 5, 2023 21:18:07 GMT -5
I would full length size some brass and trim to 1.285” (IIRC that’s the trim to length in my Sierra Manual) and use a heavy roll crimp and test for fit and bullet jump before I loaded a bunch.
While the 358429 is too long for several sixguns there are some that work fine. I use it in my full size Ruger Blackhawk for example.
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Post by 2 Dogs on Feb 5, 2023 21:21:51 GMT -5
;The Hornady 357 cases are a few thousands of an inch shorter than any other 357 brass I have owned. I used to segregate them because I had to change the die setting for crimps to go in the cannalure on Hornady cases. That might be an easy solution. Call the Hornady folks and see what they have to say. I have found that some Federal brass run short as well. All you can do is full length size your brass and then measure it to see what you have. |
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Post by Jon Erdmann on Feb 11, 2023 13:31:09 GMT -5
Here is the two 158-gr SWC bullets that I have used in a Ruger GP100 with no issues, use a firm crimp. The lead SWC is from HSM Bullets here in Montana, and the red coated is from ACME Bullets  |
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Post by oddshooter on Feb 12, 2023 11:10:13 GMT -5
hey Jon,
Welcome to the forum.
That was an excellent pic you started with of the HSM and the Acme bullets. Images of handloads are always appreciated. Everyone here seems to love pics.
You've got a great start. Welcome to the Circus.
Where are you in Montana? my lady and i spent the 70's on a ranch 5 miles past Alberton, Missoula, Great Falls, Lolo, and we still have a dream spot 35 miles west of the Big Arm of Flathead Lake, Niarada.
prescut
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