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Posted: 1/5/2012 8:27:47 PM EDT
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I finally downloaded the data from IMR's website on .30-06 and found the load data for XBR 8208. It spans over several bullet weights.
However, in my Hornady book it does not list 8208 for my Garand. Can I just load 150's and 168's in 8208 to the same FPS listings that are listed for the Garand? My intention is to make 8208 XBR my primary .30-06 powder. |
| In a word, no. The Garand needs a load with the right pressure curve or it may bend the operating rod. Just because you could load to the same velocity, doesn't mean it has a compatable pressure curve for the Garand. While it may be possible to load for the Garand with that powder, I myself wouldn't experiment as I don't have the equipment to measure the pressure curve of the load. A chronograph isn't goint to tell you anything about this curve. |
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Quoted:
In a word, no. The Garand needs a load with the right pressure curve or it may bend the operating rod. Just because you could load to the same velocity, doesn't mean it has a compatable pressure curve for the Garand. While it may be possible to load for the Garand with that powder, I myself wouldn't experiment as I don't have the equipment to measure the pressure curve of the load. A chronograph isn't goint to tell you anything about this curve. What he said^. Stick with proven powders for gas guns. |
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Timco, have you seen, or do you have, the historical articles for Garand loading?
Many of these articles are floating on the web. I don't recall seeing 8208 on the lists. Let me clip an article in here if I have them on this hard drive. Don't have them with me, but here is a link to some historical M1 loads. http://masterpostemple.bravepages.com/M1load.htm and this is a little dated, but down the text you can see where the burn rates favored by the Garand will fall. http://carnival.saysuncle.com/002449.html The Garand is still magnetic for me too, just can't help myself when one comes out onto the line. |
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