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Anyone Tried Alliant's New Higher Velocity RL17 Powder Yet?

 
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  #8  
Old 12-26-2008, 02:04 PM
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re: Anyone Tried Alliant's New Higher Velocity RL17 Powder Yet?

Quote:
Originally Posted by Len Backus View Post
That is very minimal. Much less than their competitor would want you to think.

Yup. This is one of the reasons I use it. Besides the fact that every time I find myself having trouble developing a load for a rifle using the powders I would like to use, when I put RL in it, things whip right into shape.

Also, in another rifle a year or two ago, I had tested RL25 with either the 178 or the 200AB (cant remember) and the difference was around 65 degrees and 0 degrees. Believe it or not the colder powder was slightly faster. I dont know why, I just know what the chrony said. I dont remember how much faster either but it wasnt much. Maybe 10-20 FPS average.
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Old 12-28-2008, 01:26 AM
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Re: Anyone Tried Alliant's New Higher Velocity RL17 Powder Yet?

I shoot it! the case is a .260 improved, 130 Bergers well over 3100 with ease from a 29"barrel and shoot like lazers! Ron Tilley
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Old 12-28-2008, 09:53 PM
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Re: Anyone Tried Alliant's New Higher Velocity RL17 Powder Yet?

i think ive read that reloader powders tend to be more temp sensative above 70 degrees.
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  #11  
Old 12-29-2008, 06:35 AM
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Re: Anyone Tried Alliant's New Higher Velocity RL17 Powder Yet?

Reloader 17 requires cases with capacities of 308 or greater. It appears to be a pretty good substitute for the VV double based powders.
Rustystud
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  #12  
Old 12-29-2008, 05:33 PM
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Re: Anyone Tried Alliant's New Higher Velocity RL17 Powder Yet?

I just got back from the range after trying RL-17 in four different calibers. I wanted to see if it lived up to the claim of offering greater velocity. I first worked up loads for my 260 Rem with a Hart barrel. I worked up to the max listed 44.0 grains, under a 120 grain bullet. At the max this load showed good promise with 2943 ft/sec velocity which is above this published velocity of 2912 for a 120 grain bullet. It shot a 3/4 inch 4 shot group. I was using 120 Nosler Bt's.

My Ruger 77 with a E.R. Shaw barrel did not do well with RL-17. At the max listed load I got 2965 instead of the published 3136 so that did not work well and the accuracy was not anything to write home about. So I will forget RL-17 in this gun.

Next I loaded my stock Remington CDL in 280 Remington with 139 grain Hornady BTSP bullets and RL-17. This did a little better than my 270. I was able to get 2924 ft/sec out of this bullet with 54.0 grains of RL-17. No load data for this bullet so I worked up to one grain above the listed load for a 145 grain bullet and did not get the velocity of the 145 bullet. Accuracy was ok. About 3/4 inch 3 shot group.

This powder is suppost to be great in the short mags.. so I tried it in my Winchester model 70 Coyote in 300 WSM. I expected very high velcoities since the data shows 3217 ft/sec with a 165 grain bullet and 68 grains of RL-17. I wanted to see what it would do with a 168 grains Berger VLD, so I started at 64 grains and worked up to 67 thinking this would be all the velocity that I needed. It did not work that way. The 64 grains produced 2981 ft/sec and and one inch group, the 65 grain load produced 3004 ft/sec and a 3/4 three shot group and the 66 grain load produced 3036 and another one inch group. So by the time I got to my max of 67 grains I was still short of 3100 ft/sec and I was not getting great accuracy either.

So what do I think of RL-17 at this point? To say the least I am not very impressed. I know that this was just one try and I have not played with different seating depths and other things, but the powder did not offer what I thought it claimed to offer--greater velocity in these different calibers.

I will do some more loads for my 260 Rem. . I would like to try some 130 grain Accubonds and RL-17 but there is no load data for than bullet at this time.

Last edited by Shortmagman; 12-30-2008 at 06:33 PM.
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  #13  
Old 12-30-2008, 04:00 PM
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Re: Anyone Tried Alliant's New Higher Velocity RL17 Powder Yet?

I would have to agree with SHortmag man. I haven't found it to be anything super special. Just another option.

Here's some threads on it:

Reloder 17

I don't know about this RL17
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  #14  
Old 12-30-2008, 06:31 PM
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Re: Anyone Tried Alliant's New Higher Velocity RL17 Powder Yet?

Goodgrouper,

I looked at your data when you shot RL-17 in you 300WSM and I found some interesting things when I compared it to my data.

1. You reported 3077 ft/sec with 67.0 grains out of your 24 inch barrel. I got 3087 out of my 24 inch barrel. I found all your velocities very close to mine. I used Winchester case and 215M primers as well as 168 VLD Bergers.

2. When I looked at ES and SD on some of my loads I was very impressed. With the 66.5 grain load it produced 3063 ft/sec with a ES of 16.0 and an SD of 6.0 . Your velocity was very close to mine with the 66.5 load. I have had very few loads that show a SD of 6.0. I need to go back and shoot this load again and check for accuracy.

3. I looked at my 260 load again and found the ES was very impressive ! I only shot 4 times and the ES was 6.0. Again that has to be one of the lowest ES that I ever achieved. The four shots went into about 3/4 inches so again this is another load to look at.


So even if this powder does not give the super velocity that was claimed it does offer something worth while.
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