I use an RCBS balance scale and religously measure out each charge to the last 0.1 grain. It is very acurate but it takes allot of time.
A friend of mine who I have a great deal of respect for and is proven to be a very accurate shot swears that you should load by volume and not by weight and uses a Harrell powder thrower. It is far quicker than my method and as i said, he is horribly accurate.
I have an RCBS thrower and it is not accurate, +/- 0.5 grains.
Does anyone else have any experience of accurate throwers or any thoughts on measuring charges by weight vs volume?