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Is Phoenix core okay to be use with other metal drivers like Metal Xtreme since Metal Universe's tabs don't affect any layer's, chip's and core's teeth.

Zankye tested it and said so, so it’s fine.

Is Phoenix core okay to be use with other metal drivers like Metal Xtreme since Metal Universe's tabs don't affect any layer's, chip's and core's teeth.

The teeth are small so the metal drivers slide over it if I remember correctly but it's burst resistance is bad I thing