Xtreme data? - MP-Pistol Forum

Xtreme data?

This is a discussion on Xtreme data? within the MP Reloading forums, part of the Smith & Wesson MP Forum category; I purchased some 124 grain 9mm Xtreme bullets. They are flat across the bottom and the data I've been finding is for hollow base. I ...


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Old August 3rd, 2015, 07:03 PM   #1
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Xtreme data?

I purchased some 124 grain 9mm Xtreme bullets. They are flat across the bottom and the data I've been finding is for hollow base. I have some HP-38 that is already open that I would like to use. Any information or links to proper data is appreciated.
Thanks, David.
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Old August 3rd, 2015, 07:32 PM   #2
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Use lead bullet data for plated bullets. You have HP-38 Hodgdon powder, Hodgdon has some very good online data available.

Hodgdon Reloading | Home

And I go look and guess what? No data for what you want, so I checked my Hodgdon Annual Manual for 2013 and found recommendations for 3.9 gr starting load to 4.4 gr MAX load of HP38 with a 124 gr lead bullet.

Last edited by G56; August 3rd, 2015 at 07:40 PM.
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Old August 4th, 2015, 03:07 AM   #3
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Thank you.
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Old August 4th, 2015, 05:17 AM   #4
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FWIW.....I am using a similar bullet from Xtreme, 124 FP with HP-38 at the upper end of the published data and its pretty accurate thru an M&P 5" pro.

good luck.........
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Old August 4th, 2015, 04:32 PM   #5
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I know Im going to get screamed at, but *I* load plated bullets using the STARTING load of FMJ... so far, Ive found that to be SPOT ON, YMMV. Ive had good velocity and great accuracy. Most of my loads are for USPSA or zombies, works fine.

EB
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Old August 4th, 2015, 08:03 PM   #6
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I've been loading my xtreme plated 115gr rn at the starting loads of FMJ data with titegroup and have been pleased with the results and haven't noticed pressure signs or excessive fouling. I worked up from the upper level lead data before settling.
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Old August 6th, 2015, 02:41 PM   #7
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Quote:
Originally Posted by Tully View Post
I've been loading my xtreme plated 115gr rn at the starting loads of FMJ data with titegroup and have been pleased with the results and haven't noticed pressure signs or excessive fouling. I worked up from the upper level lead data before settling.
I do the same or maybe a tad more. Xtreme's website says:
Load Info

Our Copper Plated Bullets can be run at mid-range jacketed velocities or higher end lead velocities. We recommend keeping velocities to less than 1500 FPS (Feet Per Second) and using only a light taper crimp
Any velocities over 1200 FPS we recommend either our Heavy Plate Concave Base or Hollow Point products for superior accuracy. We recommend keeping velocities to less than 1500 FPS (Feet Per Second) and using only a light taper crimp
All of our Hard Cast Lead Bullets are approximately 18 on Brinell, our Cowboy lead bullets are approximately 15 on Brinell.
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