I used a darkstar drilled 4 1\2 by 5 at 2000...... shot 1866 with a 555 team event. I had a lot of room if I didn't pull it. Had trouble with timing all weekend
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Words of advise. Limiting your self to just one company is never smart. Get proven balls out on the market. Global, Storm inc, Ebonite international, er what ever it may be.