I also choose to start a little bit above the stated starting up cost in order to avoid operating way too near edge boundaries. A squib can probably be as risky as an overcharge. This is often straight from Lee's manual and likewise is recurring over the instruction sheet that https://federal-215-primers-100-c57606.vblogetin.com/37476211/the-2-minute-rule-for-federal-large-rifle-magnum-match-primers