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Reloading Techniques For Reloading


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25-284 Win

 
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  #1  
Old 07-25-2012, 06:33 PM
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Join Date: Jul 2012
Location: NE TX
Posts: 10
25-284 Win

Does anyone have any data on this chamber. i have been using data for the 25-06 as to the similar case capacity with caution in mind.

Thanks for the input

Doc

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  #2  
Old 07-25-2012, 06:36 PM
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Join Date: Mar 2012
Location: ND
Posts: 2,548
Re: 25-284 Win

Hodgdon has data for it on their website.

I copied and pasted this from their website

75 GR. HDY HP Hodgdon H4831 .257" 2.795" 53.5 3330 58.0 3604
75 GR. HDY HP Hodgdon H4350 .257" 2.795" 48.0 3429 52.0 3640
75 GR. HDY HP Hodgdon H414 .257" 2.795" 48.0 3464 52.0 3632
75 GR. HDY HP Hodgdon H380 .257" 2.795" 46.0 3438 50.0 3538
87 GR. SIE SP Hodgdon H4831 .257" 2.795" 52.5 3347 57.0 3544
87 GR. SIE SP Hodgdon H4350 .257" 2.795" 46.0 3180 50.0 3400
87 GR. SIE SP Hodgdon H414 .257" 2.795" 45.0 3163 49.0 3352
87 GR. SIE SP Hodgdon H380 .257" 2.795" 44.0 3082 48.0 3335
100 GR. SPR SP Hodgdon H4831 .257" 2.795" 49.5 3068 54.0 3369
100 GR. SPR SP Hodgdon H4350 .257" 2.795" 43.0 2860 48.0 3129
100 GR. SPR SP Hodgdon H414 .257" 2.795" 40.5 2971 44.0 3120
117 GR. HDY BTSP Hodgdon H4831 .257" 2.775" 48.0 2882 52.0 3025
120 GR. NOS PART Hodgdon H4831 .257" 2.795" 45.0 2871 49.0 2978
120 GR. NOS PART Hodgdon H4350 .257" 2.795" 41.0 2642 44.0 2916
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  #3  
Old 07-26-2012, 01:58 AM
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Location: Longmont, CO
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Re: 25-284 Win

My father just had one finished last year as a switch barrel with a 6.5x284 as his other barrel. Not sure what bullet weight you want to use but I did the work up for my father's rifle with Sierra's 120 gr. HPBT GameKing bullet. I did some very limited testing with Nosler's 110 gr. Accubond since it wasn't shooting very well out of a 257 Rob AI. Here is what I have for both bullets:

110 gr. Nosler Accubond
56 gr. N-170, Fed. 210, necked down Lapua 6.5x284 brass
3199 fps 4-shot avg., 0.498" 3-shot group @ 100 yards

52 gr. H-4831SC, Fed. 210, necked down Lapua 6.5x284 brass
3176 fps 4-shot avg., 0.392" 3-shot group @ 100 yards


120 gr. Sierra HPBT GameKing
49 gr. H-4831SC, Fed. 210, necked down Lapua 6.5x284 brass
3001 fps 4-shot avg., 0.352" & 0.453" 3-shot groups @ 100 yards

I had really good luck with H-4831SC in both the 25x284 and 6.5x284 barrels. Let me know if you want any more details regarding these loads. As always, reduce these loads accordingly as your rifle and components will likely be different. Almost forgot to add that the barrel is 26.5" long.

Kevin

Last edited by 358sta; 07-26-2012 at 02:04 AM. Reason: Barrel length info added.
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  #4  
Old 07-26-2012, 09:31 AM
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Join Date: Jun 2010
Location: greenwood, IN
Posts: 3,451
Re: 25-284 Win

Quote:
Originally Posted by Doc M View Post
Does anyone have any data on this chamber. i have been using data for the 25-06 as to the similar case capacity with caution in mind.

Thanks for the input

Doc

Hogdon's have it listed in their #26 manual, so I'd think you should be able to download it off their website
gary
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  #5  
Old 07-26-2012, 06:28 PM
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Join Date: Jul 2012
Location: NE TX
Posts: 10
Re: 25-284 Win

Thanks for the information!

Doc

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  #6  
Old 11-19-2012, 11:06 PM
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Join Date: Dec 2008
Posts: 853
Re: 25-284 Win

If you still are looking i own 2 25x284's except the second one is unfired. I bought it used about 5 years ago from a friend who had it built from Ultra lite arms 5 3/4 lb. gun. He already had the data but i shoot the sieera 100 grain spitzer fb with 58 grains of Imr 4831. Yes it is close to being hot but i get close to 3500 fps with it. Very good chambering its close to a 257 whby but with a short action. If you try other bullets such as the 100 nosler bt back off from this load more bearing surface you will get pressure.
Mike
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