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Rifles, Reloading, Optics, Equipment
Reloading
Velocity Issue with RL26, 300 WSM, ELD-x
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<blockquote data-quote="dok7mm" data-source="post: 1210758" data-attributes="member: 90080"><p>I shoot several different 7mms with HBN and treat my barrel with a slurry mixture, prior to firing the coated bullets. My experience has been the opposite of yours. I shot 6 foulers today in a 7 mag, before fine tuning the seating depth. Running RL 26 @ 69.0 grs. and 162 eld-x. My foulers in order ran 3063, 3055, 3043, 3026, 3043 and 3057. I fired 3 shot groups from .010" jump to .060" jump. Average fps in order were 3054, 3060, 3053, 3054, 3068 and 3068. The best seating depth, in my rifle was .030 jump & SD of 2.3 and ED of 4.0 I am sure it won't be that low when I shoot 10, but it shot < than 1/4 moa @ 200 yds.</p><p></p><p>This probably won't help with your 300wsm, but my point is you have to treat your barrel and chrono your foulers until your speed stabilizes. I do this every time I clean. It also helps if you have non- HBN data from your rifle with the same load components. This will give you a much better idea of what's going on.</p></blockquote><p></p>
[QUOTE="dok7mm, post: 1210758, member: 90080"] I shoot several different 7mms with HBN and treat my barrel with a slurry mixture, prior to firing the coated bullets. My experience has been the opposite of yours. I shot 6 foulers today in a 7 mag, before fine tuning the seating depth. Running RL 26 @ 69.0 grs. and 162 eld-x. My foulers in order ran 3063, 3055, 3043, 3026, 3043 and 3057. I fired 3 shot groups from .010" jump to .060" jump. Average fps in order were 3054, 3060, 3053, 3054, 3068 and 3068. The best seating depth, in my rifle was .030 jump & SD of 2.3 and ED of 4.0 I am sure it won't be that low when I shoot 10, but it shot < than 1/4 moa @ 200 yds. This probably won't help with your 300wsm, but my point is you have to treat your barrel and chrono your foulers until your speed stabilizes. I do this every time I clean. It also helps if you have non- HBN data from your rifle with the same load components. This will give you a much better idea of what's going on. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Velocity Issue with RL26, 300 WSM, ELD-x
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