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Old June 16, 2013, 11:46 PM   #1
mwells72774
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reduced recoil 8x57 mauser

any ideas?

Looking to load for a shooter that has a sporter 8mm surp rifle thats been fitted to them. The factory loads arent too bad, but they flinch BAD and accuracy is more of a pattern at 50m when accuracy for me from said rifle is around 2" at 100 with same factory ammo.

I do not cast for this caliber, so thats out. Have a bunch of 150gr FB bullets. Sierra's IIRC.

Is there a trail boss load? seen published loads for a lot of calibers, such as the 308, 45-70, and 7mm rem mag.
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Old June 17, 2013, 08:42 AM   #2
mehavey
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From Hodgdon:

1. Find where the base of the bullet to be loaded is located in the case and make a mark on the outside of the case at this location.** Then fill the case to that mark with Trail Boss, pour into the scale pan and weigh. This is your
maximum load. Pressures will be below the maximum allowed for this cartridge and perfectly safe to use!

2. Take 70% of this powder charge weight (multiply the maximum load from step 1 by .7), and that is your starting load.

3. Start with this beginning load and work up to your maximum charge, all the while searching for the most accurate reduced load. Once found, the fun begins!



**NOTE:
I mark a pencil with the inside-the-neck shank depth of the bullet as it will eventually be seated. Then I fill the case until that pencil (dropped into the case) hits that mark. Weigh it. That is 100% case fill

NOTE: DO NOT EVER LOAD TRAILBOSS TO WHERE IT COMPRESSES
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Old June 17, 2013, 01:53 PM   #3
black mamba
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Accurate 5744 is an excellent powder for reduced loads. 30 grains behind your 150 gr bullet should give around 2200 fps.
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Old June 17, 2013, 04:31 PM   #4
mehavey
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If you want a truly "fun" reduced load, try Ed Harris' classic using 13gr of Red Dot: The Load

http://members.shaw.ca/cronhelm/TheLoad.html
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Old June 18, 2013, 05:47 AM   #5
Geezerbiker
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I'll second the Ed Harris Red Dot loads or for that matter and load data from Ed. Somewhere I have his notes on reduced loads with 2400 and those are good shooting light loads too...

Tony
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Old June 18, 2013, 07:52 AM   #6
chiefr
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Some people complain of the 196gr bullets recoil especially behind metal buttplates so frequently encountered on milsurps. If you are shooting surp ammo, you can bet it is max power.
The 150gr bullets will reduce recoil, however the trade-off may be loss of accuracy depending upon your rifle. Some are designed for & shoot best with the standard 196gr bullet.


IMHO and I know I am going to take heat for this, but I do not like the idea of trailboss in a modern bottleneck cartridge with other than lead bullets. Even the slightest possibility of bullet that fails to exit disturbs me.
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Old June 18, 2013, 05:44 PM   #7
steveNChunter
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Hodgdon's load data lists CFE 223 as giving the best velocity for the 8x57 with a 150 gr bullet. You could try just sticking with the starting weight of 54.0 gr. The listed velocity for that charge is a respectable 2848 fps. I have never shot 150's out of my Mauser but I'd say recoil would be comparable to a .30-30. The odds that your Mauser will shoot a 150 gr bullet accurately is 50/50 at best

H335, H4895, and BL-C(2) would also be worth a try
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Old June 18, 2013, 08:27 PM   #8
mehavey
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I just ran QuickLoad for 8x57JS w/ RedDot/13.0gr under a 150gr Sierra SP in a 24" barrel.
It gave me a leisurely 1,770fps for a nice 30,300psi. Miller Spin Stability was 3.7

In fact I just went downstairs & loaded 5 rounds.
Film (tomorrow) at Eleven.

Looks like another Ed Harris winner.

Last edited by mehavey; June 18, 2013 at 09:58 PM.
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Old June 18, 2013, 09:57 PM   #9
mwells72774
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Re: reduced recoil 8x57 mauser

Will 13g fill the case? Never messed with alliant powder all that much
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Old June 19, 2013, 05:45 AM   #10
Geezerbiker
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Yes, it'll fit and if I remember correctly, it'll fill it just past the half way point...

Tony
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Old June 19, 2013, 01:50 PM   #11
mehavey
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RedDot is a very fast powder that's also very bulky. It's consumed within a fraction of an inch bullet travel/bullet upset.
At that point its all residual pressure push vs barrel friction optimized at about 18"
My chronograph will tell the tale in my 27" Gewehr (though I suspect my K98 will like it better)

Last edited by mehavey; June 19, 2013 at 01:57 PM.
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