Thread: Getting ES down with 223

If you're using average quality brass it can be well worth doing an internal flash hole uniform. any burrs etc in there can open up ES. Its possible to make a considerable difference with this

Expensive brass has uniform flash holes so its not worth doing

Originally Posted by kiwi303

If you're using average quality brass it can be well worth doing an internal flash hole uniform. any burrs etc in there can open up ES. Its possible to make a considerable difference with this

Expensive brass has uniform flash holes so its not worth doing

I will post up the numbers so we can all see how much of a difference it does or doesn't make. But let's not assume I haven't already done it for my testing so far.