I use the 3.4cc Lee smokeless powder dipper in the field and at the range. However, I also, using the dipper, weighed out about 20 charges on my RCBS 5-0-5 scale to confirm that the charges listed on the slide card included with the dippers, as well as the Savage ML10 data for the 3.4cc dipper, were accurate. They were both accurate to +/- .5 grain. Since I use the less than MAX recommended load by about 4 grains, I'm not going to sweat the +/- 1/2 grain. Accuracy is good and velocity spreads acceptable, so I'm not worried. If I were using max loads I would weight every charge on a scale, but for convienience at the range I chose to use step down to a load that is sufficient but below the max. Saves me a lot of hassle of premeasuring a bunch of loads, finding a way to store them, or taking my scale to the range.

I'm still in my 1st 2 pound container of powder (at 40.4 grains/charge, it's taking awhile, which really makes smooting smokeless a real value as well. The cost/per shot for smokeless is tiny compared to that for black subs.), but when I start my second container I will once again verify the charge with my scale before shooting my gun.

Mike