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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
barrel length vs. powder usage
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<blockquote data-quote="Hired Gun" data-source="post: 891489" data-attributes="member: 1290"><p>I started loading for the 7 Mag in about 1975. I always wished my old 7 Mag was a 26". I never could get published velocities without major pressure signs. My buddies with 26" barrels always topped my speed with about 10 less grains of 4831. </p><p> </p><p> I came into this thinking the Retumbo wasn't really suited to the 7 Mag but after consulting the IMR/Hodgdon online reloading center I see Retumbo is considered a top velocity choice for 140 and up. I am very certain the 26" will show a pretty good velocity advantage over the 24". 4831 sure did. </p><p> </p><p> If Retumbo is what you got I say go burn it up.</p></blockquote><p></p>
[QUOTE="Hired Gun, post: 891489, member: 1290"] I started loading for the 7 Mag in about 1975. I always wished my old 7 Mag was a 26". I never could get published velocities without major pressure signs. My buddies with 26" barrels always topped my speed with about 10 less grains of 4831. I came into this thinking the Retumbo wasn't really suited to the 7 Mag but after consulting the IMR/Hodgdon online reloading center I see Retumbo is considered a top velocity choice for 140 and up. I am very certain the 26" will show a pretty good velocity advantage over the 24". 4831 sure did. If Retumbo is what you got I say go burn it up. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
barrel length vs. powder usage
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