I too only have five pins. The top of my bubble is at 80 yards. Halfway between the bubble and my 60 pin is 70 yards and then the pins are set down from there. I thought about a 7 pin but like my current set up and don't want the temptation in the field.
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"Government does not solve problems; it subsidizes them." Ronald Reagan

"The trouble with Socialism is that you eventually run out of other people's money." Margaret Thatcher.

"How fortunate for governments that the people they administer don't think." Adolf Hitler