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Alliant Powders

Desertdoc

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Alliant Powders
« on: May 23, 2017, 03:06:10 PM »
So, are you liking RL-19, 22, 25 with the various Barnes coppers?
We, the unwilling, led by the unknowing, are doing the impossible for the ungrateful. We have done so much, for so long, with so little, we are now qualified to do anything with nothing.

.257

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Re: Alliant Powders
« Reply #1 on: May 23, 2017, 05:14:29 PM »
I like the RL-25, shoots good with 100gr barnes and 115gr berger
Mike

Desertdoc

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Re: Alliant Powders
« Reply #2 on: May 23, 2017, 05:17:41 PM »
Sort of dumb on my part:  for the .257.
We, the unwilling, led by the unknowing, are doing the impossible for the ungrateful. We have done so much, for so long, with so little, we are now qualified to do anything with nothing.

Re: Alliant Powders
« Reply #3 on: May 24, 2017, 05:22:12 AM »
I use a lot of the reloader line of powders, but I am in a part of the country with a narrow temperature swing. The powders you mention are temperature sensitive. Typical swing is 40 degrees between the coldest winter and the warmest summer days here.  H1000 is the powder that worked best for me with the Barnes bullets in the 257 in any case.  :)

BB340

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Re: Alliant Powders
« Reply #4 on: May 24, 2017, 01:41:12 PM »
Yep I'm another fan of RE25 for the .257.
Aussie gun nut.

Desertdoc

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Re: Alliant Powders
« Reply #5 on: May 24, 2017, 06:58:31 PM »
Alright fellas, riddle me this.  IIRC, for an 80 grain projectile loaded with 19, 22 and 25 there is about 125FPS ES and about 40FPS between each powder charge unique to each powder listed above.  However there is about 5 grains total difference between 19 and 25 with 22 in the middle.

Why load 5 grains more if it is not needed?  This assumes accuracy does not suffer.

I hope I made sense.

Thank you for your time.
We, the unwilling, led by the unknowing, are doing the impossible for the ungrateful. We have done so much, for so long, with so little, we are now qualified to do anything with nothing.

Re: Alliant Powders
« Reply #6 on: May 24, 2017, 10:33:08 PM »
your over thinking this, you need to start working up some loads with the powders you have, and find the load your rifle shoots accurate.  I've had pretty good results with alliant powders in the 257.

Rob
cfp-223REM
accumark-223Rem
ultralite-240 Wby
synthetic-240 Wby
synthetic-257 Wby
ultralite-270 Wby
fibermark-270 Wby
accumark-270 Wby
accumark-7mm Wby
stainless-300 Wby
fibermark-300Wby
accumark-30378 Wby
fibermark-340 Wby
accumark-338378 Wby
custom-375 Wby
DGR-378 Wby
DGR-416 Wby
custom DGR-460 Wby

BB340

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Re: Alliant Powders
« Reply #7 on: May 25, 2017, 03:54:12 PM »
I use RE25 because it is the most accurate in my rifle. I tried the other Alliant powders plus our (Australia's) great line of powders. RE25 was the most accurate and produced the fastest speed of them all. I am not even bothering to try other powders in the new barrel, have loaded some rounds up with RE25 only. Of course if they don't shoot I will try something else.
Also DesertDoc those velocities listed are taken out of just one manual. Compare the loads and velocities over several manuals and things may be different. Plus each rifle is a beast to it's self and may produce faster or slower velocities than those listed in published loading data.
Aussie gun nut.