On Monday night in one of my summer leagues I shot 279.  It is the highest game I have ever shot sanctioned.  I missed the 300 because in the 8th frame I left a solid pocket 7 pin (wiggled but wouldn't go down).  Still happy though because the game was 100 pins over average.
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Arsenal includes:
Rule GP2, Rule Delta 1, Slash, Heat Blast, Heat,  Desert Heat, Boxing Glove