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Rifles, Reloading, Optics, Equipment
Reloading
300 WSM / RL19 / Scirocco 165 Gr.
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<blockquote data-quote="Shortmagman" data-source="post: 215109" data-attributes="member: 10723"><p>I have shot a great deal of RL-19 in my two 300 WSM'S with a great deal of success. With that being said I also know that RL-19 varies a great deal from one batch to another, so when reloading with it you must be very careful! </p><p></p><p>First, I have not shot the Swift bullets, but I have shot many 165 to 168 grains bullets. The first time I worked up a load with RL-19 I used 165 Nosler bullets. I found these bullets to shoot great with 69.5 grains of RL-19, WW cases and WLR primers (I have always used WLR primers). I later lower the amount of powder to 67.5 and used Sierra 168 Match bullets. This load shot great. In fact I found that RL-19 was close to the most accurate powder that I have used in my Winchester Model 70. </p><p></p><p>With my Ruger 77 Mark II in 300 WSM I have used more N550 than RL-19.</p><p>I think what happened to you is that you got a batch of RL-19 that was hotter than the batch that was used to produce the data in the Swift Manual. It you look at a number of manuals you will find that the amount of powder listed varies a great deal from one manual to another with the same bullet weight. This has led some gun experts to not use RL-19.</p></blockquote><p></p>
[QUOTE="Shortmagman, post: 215109, member: 10723"] I have shot a great deal of RL-19 in my two 300 WSM'S with a great deal of success. With that being said I also know that RL-19 varies a great deal from one batch to another, so when reloading with it you must be very careful! First, I have not shot the Swift bullets, but I have shot many 165 to 168 grains bullets. The first time I worked up a load with RL-19 I used 165 Nosler bullets. I found these bullets to shoot great with 69.5 grains of RL-19, WW cases and WLR primers (I have always used WLR primers). I later lower the amount of powder to 67.5 and used Sierra 168 Match bullets. This load shot great. In fact I found that RL-19 was close to the most accurate powder that I have used in my Winchester Model 70. With my Ruger 77 Mark II in 300 WSM I have used more N550 than RL-19. I think what happened to you is that you got a batch of RL-19 that was hotter than the batch that was used to produce the data in the Swift Manual. It you look at a number of manuals you will find that the amount of powder listed varies a great deal from one manual to another with the same bullet weight. This has led some gun experts to not use RL-19. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 WSM / RL19 / Scirocco 165 Gr.
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