FWIW, I used some older Revolution models, ones created when Revolution first tried to get into the American market in 2000: the Renegade and the Vengeance. In fact, I just stockpiled 2 NIBs, one of each. Both have strong coverstocks (I think their both a notch stronger than PK 18, but Brunswick had no idea what they actaully are). Both come with high RG's and low RG differential.
The amazing part is the coverstock is over 1" thick, compared to the current standard Brunswick covers of about 5/8" - 3/4" thick. Both hit like freight trains. Renegade is blue solid resin, while Engeance is green pearl with visible mica chips.
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"None are so blind as those who will not see."