When reading the RG numbers for...say...a BVP Punisher...Brunswick lists a high and low set of RG numbers....example....

Core Dynamics
RG Max: 2.580”
RG Min: 2.536”
RG Diff: 0.044”
RG Avg: 4.6
Performance
Hook Potential: 90
Length: 135
Breakpoint Shape: 95


When comparing to most other manufacturers though, they only list one set of RG numbers...so I guess my question is should I assume the high or low RG numbers when comparing to other companies?  Do they all tend to list one over the other?
Thanks!

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"Chicks dig the trip 4" -Randy Pederson

As far as I know, there is no set rule. Personally, I like the service Brunswick provides by stating RG min AND max. Other manufacturers like Hammer only deliver one RG number - and you do not know, whether it is the min, max or the average of both (which is also a frequent number).
Yes, and the differential is the difference between the RG min and max and shows you something about the ball's flare potential for drilling purposes.
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