Compare bowling balls
Core numbers are compared in one weight. Some brands only publish them for one weight.
Hammer Envy
|
Brunswick Combat Solid
|
Brunswick Combat Hybrid
|
Hammer Zero Mercy Hybrid
|
|
|---|---|---|---|---|
| Brand | Hammer | Brunswick | Brunswick | Hammer |
| Line | — | Pro | Pro | High |
| Coverstock | — | HK22C² - Alpha Premier Solid | Alpha Premier Hybrid | HK22C² Hybrid |
| Cover type | — | Solid reactive | Hybrid reactive | Hybrid reactive |
| Core | — | Rampart | Rampart | Super Offset |
| Core type | — | Asymmetric | Asymmetric | Asymmetric |
| RG | 2.505 | 2.502 | 2.502 | 2.524 |
| Diff | 0.055 | 0.051 | 0.051 | 0.053 |
| Int. diff | 0.021 | 0.019 | 0.019 | 0.020 |
| Factory finish | — | 500, 1500 Siaair Micro Pad | 500, 2000 Siaair Micro Pad | 500, 1000, 1500 Siaair / Factory Compound |
| Lane condition | — | — | — | Medium oil – Heavy oil |
| Flare potential | — | — | — | — |
| Reaction | — | — | — | Excessive backend |
| Color | — | Navy / Blue / Slate / Purple | Black / Purple / Green / Lime | Black / Silver / White / Red |
| Release date | September 23, 2022 | August 13, 2026 | February 19, 2026 | September 17, 2026 |
| Status | Retired | Current | Current | Current |
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