Accuracy loss from ragged sprue cut?
Has anyone done any tests on accuracy loss from ragged sprue cuts on plain base rifle bullets? I make sure any plain based rifle bullets I cast have perfect as possible bases, including a nice smooth, sprue cut. I have a bunch of what I think are commercial cast bullets (the label on the box is illegible )with a lot of ragged craters of varying depths where the sprue was cut off. I planned to just melt them, as they were in a flood and are covered with a light coating of dirt and grit. As I was washing them prior to throwing them in with some range scrap I was going to melt and clean, I started to wonder why a commercial casting outfit would let such sloppy bullets out the door, as they probably wouldn't be very accurate. Then I got to thinking that maybe my opinion that they wouldn't be very accurate might be wrong. There is no way I'm going to put any of these grit covered bullets down any of my barrels, so testing them is out.
Does anyone here have any solid shooting data showing how varying depths of ragged sprue craters affect the accuracy of plain based rifle bullets?