Description
The Whidden Gunworks Expander Balls typically allow the shooter the opportunity to adjust the neck tension from .001″ to .005″. The Expander Ball Kit comes with five Expander Balls. See chart below for kit info.
| Expander Ball Kits | |
|---|---|
| Kit Caliber | Sizes In Kit |
| .20 Caliber Kit | .200, .201, .202, .203, .204 |
| .22 Caliber Kit | .220, .221, .222, .223, .224 |
| 6mm Caliber Kit | .239, .240, .241, .242, .243 |
| 6.5mm Caliber Kit | .260, .261, .262, .263, .264 |
| 7mm Caliber Kit | .280, .281, .282, .283, .284 |
| .30 Caliber Kit | .304, .305, .306, .307, .308 |
| .338 Caliber Kit | .334, .335, .336, .337, .338 |
| .375 Caliber Kit | .371, .372, .373, .374, .375 |
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