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Rifles, Reloading, Optics, Equipment
Reloading
4000-MR experiences?
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<blockquote data-quote="AZShooter" data-source="post: 1774311" data-attributes="member: 5219"><p>I jumped on it when it first came out in 2013. I read on Accurate shooter site that it was a slower longer burning curve powder like RL-17. I did some comparisons of it and RL-17 for accuracy and velocity. </p><p></p><p>From my documents files when I first wrote about it:</p><p></p><p> My biggest disappointment is that this new Power Pro 4000 MR was presented as another long burning curve powder similar to RL-17. 6mmBR said something to that effect last September AND I called and talked to a representative from Alliant, who also said it was similar to RL-17. I don't believe it has the same formulation as RL-17 or it would have beaten it in some of my tests. </p><p></p><p>To its credit it seems to have some nodes that were accurate with minimal velocity differences. I will be shooting one accurate load in a 7 rem mag soon to see just how consistent it is. While velocities were down compared to other powders it might be a good one for tight groups. FYI I have not heard from the Alliant Rep I e-mailed. I wanted to know if it was an extreme powder. RL-17's canister says it is, 4000 MR makes no mention of it.</p><p></p><p>Impressions: this powder didn't surpass RL-17's velocities in the short barrel but duplicated and slightly surpassed RL-17 in the longer barrel. Some velocities were very similar. Has accuracy potential.</p><p></p><p></p><p>--------</p><p>While discussing it with others one guy posted:</p><p></p><p> <em>I recieved an e-mail from alliant about the temp. sensitivity of 4000 MR, They are calling it moderatly temp. sensitive...</em></p><p></p><p>I used up the powder I had on a 243 and 30-06 and never purchased any more.</p></blockquote><p></p>
[QUOTE="AZShooter, post: 1774311, member: 5219"] I jumped on it when it first came out in 2013. I read on Accurate shooter site that it was a slower longer burning curve powder like RL-17. I did some comparisons of it and RL-17 for accuracy and velocity. From my documents files when I first wrote about it: My biggest disappointment is that this new Power Pro 4000 MR was presented as another long burning curve powder similar to RL-17. 6mmBR said something to that effect last September AND I called and talked to a representative from Alliant, who also said it was similar to RL-17. I don't believe it has the same formulation as RL-17 or it would have beaten it in some of my tests. To its credit it seems to have some nodes that were accurate with minimal velocity differences. I will be shooting one accurate load in a 7 rem mag soon to see just how consistent it is. While velocities were down compared to other powders it might be a good one for tight groups. FYI I have not heard from the Alliant Rep I e-mailed. I wanted to know if it was an extreme powder. RL-17's canister says it is, 4000 MR makes no mention of it. Impressions: this powder didn't surpass RL-17's velocities in the short barrel but duplicated and slightly surpassed RL-17 in the longer barrel. Some velocities were very similar. Has accuracy potential. -------- While discussing it with others one guy posted: [I]I recieved an e-mail from alliant about the temp. sensitivity of 4000 MR, They are calling it moderatly temp. sensitive...[/I] I used up the powder I had on a 243 and 30-06 and never purchased any more. [/QUOTE]
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