I'm thinking I need to pick up a bullet comparator. I'm finding way too much varience in the length of various bullets I'm using. Once I determine what my OAL length needs to be, would just using a bullet comparator get me close enough to maintain a constant seating depth? Or would I need to take it a step further and use something like a Davidson seating depth checker or a Redding Instant Indicator? Main concern is being able to maintain a constant seating depth off the lands. Looking for recommendations from the members as to the quickest and simpliest method that will produce uniform seating depth measurements. Thanks.