The Ultimate Defender is the third Defender offering from Brunswick, following in the footsteps of the original Defender and the Defender Hybrid. This ball uses the HK22-based ACT 3.0 Hybrid coverstock, which surrounds the asymmetrical Portal X core that was used in both previous Defender balls. Coming out of the box at a rough 500/2000 […] Brunswick Ultimate Defender appeared first in Bowling This Month.
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