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Rifles, Reloading, Optics, Equipment
Reloading
Riddle me this - 4831 IMR vs. Hogdon
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<blockquote data-quote="Lefty7mmstw" data-source="post: 1671960" data-attributes="member: 48043"><p>Hornady's (and a few others) data starts conservative for a very good reason. There are outlier rifles (my current 7rum is one) that anything above a relatively low start charge may actually be excessive. I blew a primer a few weeks back with retumbo and a 175 Hornady (85 grains) in a load that would be considered a start charge in some of the less conservative books. The rifle will do 3,000 fps on a 183 with a measly 82 grains of retumbo. It's got a 8" twist and a rather tight Brux barrel and a rather tight chamber. Hodgdon's online data starts at 86 grains for a 175 and retumbo.</p><p>Once you have a handle on what a rifle can handle you don't need to start as mild, but the first few rounds out of a rifle should be taken with caution.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 1671960, member: 48043"] Hornady's (and a few others) data starts conservative for a very good reason. There are outlier rifles (my current 7rum is one) that anything above a relatively low start charge may actually be excessive. I blew a primer a few weeks back with retumbo and a 175 Hornady (85 grains) in a load that would be considered a start charge in some of the less conservative books. The rifle will do 3,000 fps on a 183 with a measly 82 grains of retumbo. It's got a 8" twist and a rather tight Brux barrel and a rather tight chamber. Hodgdon's online data starts at 86 grains for a 175 and retumbo. Once you have a handle on what a rifle can handle you don't need to start as mild, but the first few rounds out of a rifle should be taken with caution. [/QUOTE]
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Riddle me this - 4831 IMR vs. Hogdon
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