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Reloading Techniques For Reloading


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Reloader 17 please share experience

 
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  #1  
Old 11-11-2010, 03:33 AM
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Reloader 17 please share experience

Hi

I have 3 calibers which I like to share a powder namely

338 Lapua magnum

6.5 x 55

6 x 47 Lapua

I understand from communications with Alliant in Switzerland that it is similar to H4350 in burn rate their data looks like its written by their legal department wrapped in silk paper

Can anybody share some real life data with me to save some range time please ?

Thanks
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  #2  
Old 11-11-2010, 03:58 PM
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Re: Reloader 17 please share experience

The RL17 loads in my 270s worked up loads until short brass life and then backed off a safety margin are giving me some amazing velocity.

3225 fps 130 gr from a 22" barrel.
I would not have believed that possible.

150 gr over 3000 fps from a 22" barrel. Finally, after all these years, some recoil from my 270.



I asked the author, kombayotch, of the pic how he controlled the temperature.

Quote:
-The cold batch of ammo went in the clubhouse freezer (a cooler full of regular ice also works).
-The room temperature ammo just sat on the bench
-The high temperature ammo was wrapped in a heating pad and put in a small cooler. 175F is only 80C...

Last edited by Clark; 11-11-2010 at 04:02 PM.
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Old 11-11-2010, 04:03 PM
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Re: Reloader 17 please share experience

Quote:
Originally Posted by Clark View Post
The RL17 loads in my 270s worked up loads until short brass life and then backed off a safety margin are giving me some amazing velocity.

3225 fps 130 gr from a 22" barrel.
I would not have believed that possible.

150 gr over 3000 fps from a 22" barrel. Finally, after all these years, some recoil from my 270.
This is truly remarkable. That closes the margin of a 270 v. a 270 WSM by a substantial margin. With that kind of speed, who needs the WSM??

I've been reading enough about this powder to where I'm simply going to have to try it.
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Old 11-11-2010, 04:14 PM
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Re: Reloader 17 please share experience

Derek,

That graph shows how constant Varget is and how variable Re17 is with temperature.

My kick is that cold ammo get hot in a hurry in a hot chamber from 4 fast shots and lots of aiming on the 5th shot with the 5th shot waiting in the chamber.

Bart Bobbitt, high power competitor, said that the longer he aimed, the lower he aimed to compensate for the round in the chamber heating up.
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  #5  
Old 11-11-2010, 04:26 PM
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Re: Reloader 17 please share experience

Clark, do you think, given the graph, that Reloder 17 should be avoided for hunting situations?

What I'm curious about is whether or not the same results would occur of the temp of the powder was heated up more slowly, say over several hours or days. Example: what would happen if the ammo was kept at a constant 40 degrees one day and fired, 50 degrees the next day and fired, etc.

I wonder if the rapid temp change also affects the velocity with Re17.

I'd hate to be hunting muleys in Colorado on a 5 day hunt where on day 1-2 temps were 25 degrees, day 3-4 were 50 degrees, etc and still have the dramatic velocity changes.

I know of several guys who are streamlining their load benches to ONE brand of powder only for centerfire rifles and that would be the Hodgdon Extreme line.
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Old 11-11-2010, 04:28 PM
B23 B23 is offline
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Re: Reloader 17 please share experience

I've read it works well in the .284 case. Getting 3150+fps w/140 in 6.5-284's

It shows some pretty impressive fps gains but I have also read it doesn't give you much, if any, warning before OVER pressure.

I've also read, and this has been of concern with other powders too, that it varies a far amount from Lot# to Lot#.

I have zero first hand knowledge, just passing on things I've read pertaining to RL17.
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  #7  
Old 11-11-2010, 04:42 PM
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Re: Reloader 17 please share experience

Derek,
I hunt at 3000 feet, where it can be 60 degrees or 20 degrees when I hunt.

I went there and took that data before hunting season started, but would up using a heavy 7mmRemMag with Re22 that was shooting better at 500 yards.

I do not have an opinion yet.
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