Picked up a 300wsm which came with a small quantity of once fired brass. I recently purchased a large lot of mixed headstamp once fired brass with the intent to sort by headstamp which i have done. My plan was to process it and sell off what i dont need. But im questioning just how much i may need... What do you considered a good brass count for a given rifle. Trying really hard to stop hoarding brass i dont need or even have a rifle for...