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Hornady 140 gr .357 Flex-Tip

This is a discussion on Hornady 140 gr .357 Flex-Tip within the Reloading forums, part of the Firearm Forum category; I bought some of these and realized that I had no data on them. Can someone please help me with the proper OAL for 357 ...


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Old March 1st, 2012, 04:28 PM   #1
 
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Hornady 140 gr .357 Flex-Tip

I bought some of these and realized that I had no data on them. Can someone please help me with the proper OAL for 357 Magnum case?

I'm guessing somewhere around 1.6" if crimped in the cannelure. Will be using in a rifle.




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Old March 1st, 2012, 05:36 PM   #2
 
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Can't help you with the OAL, but all the literature I've seen mentions trimming th case a little. Being a cheap SOB, I bought the Hornady 7th Edition as Midway was closing out. Maybe the newer edition has some info. I remember reading somewhere that standard cases need to be trimmed before loading leverevolution. I have some empty factory cases and they measure 1.250" vs the standard 1.290 for .357. I would think using standard 140 g loads would work. You might need the trimmed cases when using the Hodgdon Leverevolution powder and the FTX.
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Old March 2nd, 2012, 04:46 AM   #3
 
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Quote:
Originally Posted by mnh2obuff View Post
Can't help you with the OAL, but all the literature I've seen mentions trimming th case a little. Being a cheap SOB, I bought the Hornady 7th Edition as Midway was closing out. Maybe the newer edition has some info. I remember reading somewhere that standard cases need to be trimmed before loading leverevolution. I have some empty factory cases and they measure 1.250" vs the standard 1.290 for .357. I would think using standard 140 g loads would work. You might need the trimmed cases when using the Hodgdon Leverevolution powder and the FTX.
Thanks, that helps knowing the factory case size.
Using the standard 357 case size I'm guessing that would make the round 1.63" assuming the factory round is 1.59". The powder charge is probably very close to the 158 grain bullet since this one seats so deep.
I hate to buy another manual for just one bullet.
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Old March 2nd, 2012, 05:21 AM   #4
 
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I worked up some loads with them several weeks ago just using the regular 140g Hornady data. I tried some hot loads using Lil Gun and H110 that were pretty accurate but nothing spectacular. I was also somewhat surprised that when I seated and crimped them into the canelure, I could not get a max load because the load was very compressed.
I did chamber 5 rounds and checked to see if there were any indicators of the seating depth changing due to recoil. There was none.
All in all, I personally don't see a big advantage unless it works out the ballistics are better. I did a 3 shot test at 25, 50, and 100 meters. Centered at 25 it was 1" high at 50 and about an inch low at 100. That probably isn't much different from a regular 140 to 158g round at close to 1800 fps.

Walt
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Old March 13th, 2012, 06:24 PM   #5
 
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This is from the Hornady website http://www.hornady.com/assets/files/...FTXHandgun.pdf
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Old March 14th, 2012, 04:44 PM   #6
 
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Thanks twobiscuit!!!

I made 20 last night. Wish I had seen this first.
Mine were 1.59 col, 12.2 gr 2400, cci-500, cases trimmed to 1.25. The crimp was right in the middle of the cannulure. It looked like a compressed load. I'll see how they shoot in my rifle. I was thinking of using Power Pistol next time or maybe use one of the loads listed.
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