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Rifles, Reloading, Optics, Equipment
Reloading
.270 velocity variations
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<blockquote data-quote="steve99" data-source="post: 337477" data-attributes="member: 20312"><p>I think you will find Retumbo is too slow burning to be an effective performer in the 270.</p><p> </p><p>Shot to shot variations in velocity can often attributed to certain powders in certain cartridges. Years ago I tested RE22 with 100gn bullets in my 243 and velocity varied by as much as 120fps. When I went back to H4350 shot to shot variations went back to a more acceptable 20fps-30fps.</p><p> </p><p>The same can be said when I tried W748 in my Marlin 444 - velocity was all over the place. Once I went back to H4198 velocity variations shrunk to single digits.</p></blockquote><p></p>
[QUOTE="steve99, post: 337477, member: 20312"] I think you will find Retumbo is too slow burning to be an effective performer in the 270. Shot to shot variations in velocity can often attributed to certain powders in certain cartridges. Years ago I tested RE22 with 100gn bullets in my 243 and velocity varied by as much as 120fps. When I went back to H4350 shot to shot variations went back to a more acceptable 20fps-30fps. The same can be said when I tried W748 in my Marlin 444 - velocity was all over the place. Once I went back to H4198 velocity variations shrunk to single digits. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
.270 velocity variations
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