On rifle I weigh every charge only during load development because it is easier to throw a slighty low charge & trickle up to the weight.
Once I settle on a load I throw the charge, verify and spot check. I don't weigh every load if it is a large amount of rounds. If it is only 10 or 20 I might weigh every charge. I weigh less often the more I have used the load.
When I first start on any new equipment or powder I tend to weight more loads. As I begin to trust myself and my equipment I weigh less frequently. I do visually check powder levels in the case. As an example I used to worry about powder level in the powder measure more than I do now. I know it will be accurate even with low levels of the powders I use.
The frequency I weigh depends on several factors.
Once I settle on a load I throw the charge, verify and spot check. I don't weigh every load if it is a large amount of rounds. If it is only 10 or 20 I might weigh every charge. I weigh less often the more I have used the load.
When I first start on any new equipment or powder I tend to weight more loads. As I begin to trust myself and my equipment I weigh less frequently. I do visually check powder levels in the case. As an example I used to worry about powder level in the powder measure more than I do now. I know it will be accurate even with low levels of the powders I use.
The frequency I weigh depends on several factors.