.40s&w - different load data help

marcons

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Location
Cape Breton, NS
I'm reloading some .40s&w, i have lyman 49th and lee 2nd edition books in front of me.

Components:

Alliant Unique , Winchester WSP, Nosler 150gr bullets JHP http://www.nosler.com/Bullets/Sporting-Handgun-Pistol.aspx

Lee says for 150gr:

7.2gr min load - 8.0gr max load (both compressed)

Lyman says for 150gr:

5.5gr min load - 6.6gr max load

I'm totally stumped as to who to follow since the 2 recommendations are totally different from each other. does any have any other books i can get some load data off of so i can see what i should do.

thanks
 
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