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Old March 27, 2011, 08:33 PM   #2
Jim243
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Join Date: January 5, 2009
Location: Just off Route 66
Posts: 5,067
Quote:
And more important, what is the best criteria for judging whether data is reliable (read safe) or not?

You are!! That is why we always say start low and work your way up. Lyman 49th is a good reference book because it is not specific to any one manufacturer. I use my books in this order.

1. Bullet manufacturer's information and load data. (it is specific to the bullet I will be using)

2. Powder manufacture's information and load data. (it is specific to the powder I will be using and I get as close to the same type and weight bullet)

3. When all else fails, I go to Lyman's and try to match the bullet type and weight as close as I can to the powder speed I will be using.

Start low and work up your loads and always check for over pressure signs.
Jim
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