So I questioned about dimensions in between the two primers. I thought maybe the Ginex have been further when compared to the Federal. The Federal ran really steady .119" The Ginex were shorter jogging about .116" While not dependable (Measured only a three piece sample so perhaps measure a lot https://federal-primers-20924567.theobloggers.com/37988072/a-review-of-federal-215-primers-100-count