Compare the specs of the Columbia 300 Encounter and Columbia 300 Pure Physics side by side in the ball comparison table below. To view the full bowling ball review for one of these balls, click the ball name link in the table below.
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| Brand | Columbia 300 | Columbia 300 |
| Ball Name | Encounter | Pure Physics |
| Cover Name | Elastin 6.0 | Full Tilt 7.5 |
| Cover Type | Reactive Pearl | Reactive Solid |
| Box Finish | 500 / 1000 / 2000 / 2000 Abralon / Powerhouse Factory Finish Polish | 800 / 1000 / 2000 Abralon |
| Color | Navy / Purple / Ocean | Black / Purple / Yellow |
| Core Name | NA | Full Swing |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.50 | 2.51 |
| Total Diff. | 0.052 | 0.056 |
| Int. Diff. | 0.013 | 0.015 |
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