Posted: 4/16/2012 10:17:17 AM EDT
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I've got two five pound kegs of Alliant Reloder 7 powder from when I was actively playing with cast bullets (approx 28 gr is good for almost any .30 cal round with casr).
I looked up loads in my books and saw that there are several listings for Rel 7 with 55 gr in .223. Manuals had no comment about use in AR s so I don't know if it would work the gas system ok. Anyone have any experience with Rel 7 in the AR? I's really like to use up this powder before it goes bad (it's already 15 yr old at least) Thanks! 
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You can find some info HERE Remember to work up your loads.
This link is from the reloading forums tacked thread |