Religious Shooter Posted August 4, 2014 Share Posted August 4, 2014 I found this annoying... I have two lots of 7625 (2 1 lb bottles and 8 1 lb bottles). 13328 and 13329. The two lots have different densities. With Lee Disc: 0.61 = 5.8 grains with lot 13328 0.61 = 5.5 grains with lot 13329 So if you have two different lots don't ASSume and do like I did and top off the powder measure with a different lot expecting the same results. Live and learn. Link to comment Share on other sites More sharing options...
Racinready300ex Posted August 4, 2014 Share Posted August 4, 2014 Personally, I always assume every lot of every powder is different. Probably because I used to shoot benchrest. Link to comment Share on other sites More sharing options...
Steve RA Posted August 4, 2014 Share Posted August 4, 2014 That is one reason it's better to get powder in larger containers, it's usually cheaper that way also. Now, of course, it's like finding a herd of unicorns ! Link to comment Share on other sites More sharing options...
kneelingatlas Posted August 4, 2014 Share Posted August 4, 2014 So here's the real question: will you experience more consistent velocities between the two lots measuring by weight or volume? What did you do? Adjust the weight or the volume? Do you have chrono results? Link to comment Share on other sites More sharing options...
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