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Brunswick Combat Hybrid specs
The Brunswick Combat Hybrid is a hybrid reactive ball with the Rampart core. Here are its published specs, how they compare with the other current balls in our table, and what the numbers mean on the lane.
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| Coverstock | Alpha Premier Hybrid |
|---|---|
| Cover type | Hybrid reactive |
| Core (weight block) | Rampart |
| Core type | Asymmetric |
| RG | 2.502 |
| Differential | 0.051 |
| Mass bias / intermediate diff. | 0.019 |
| Factory finish | 500, 2000 Siaair Micro Pad |
| Maker's category | Pro |
| Color | Black / Purple / Green / Lime |
| Weights | 16-12 lbs. |
| Release date (maker) | February 19, 2026 |
| USBC approved | 10 February 2026 |
Numbers as Brunswick publishes them, checked 21 October 2026. Published for a 15-pound ball. Drilling changes how a ball behaves, so a pro shop's layout matters as much as these numbers.
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What the numbers mean
RG 2.502. That is lower than 40% of the 134 current reactive and urethane balls in our table, so it sits on the high side. Storm says "a high RG ball delays its revving, offering more length and angular motion down the lane."
Differential 0.051. Higher than 65% of the balls in our table. Storm says "a high differential ball will create a sharper angle of entry into the pins."
Hybrid reactive cover. Hybrids mix solid and pearl; Storm says they suit bowlers who need a ball "that can adapt to a variety of lane conditions."
Asymmetric core. Storm says asymmetric balls have "varying RG values along different axes" and more angular motion.
USBC allows an RG from 2.447 to 2.813 inches and a differential of at most 0.060 inches (Equipment Specifications Manual, March 2026). Our ball spec table lists every current ball we track, and who makes bowling balls covers which company owns Brunswick.
Balls with similar numbers
Same cover type, closest RG and differential in our table:
- DV8 Heckler Taunt: RG 2.504, differential 0.051
- Radical No Doubt Hybrid: RG 2.485, differential 0.051
- Radical Deep Impact: RG 2.480, differential 0.052
- Brunswick Strategy Logic: RG 2.509, differential 0.047
Sources: Brunswick product page; Storm, "Inside The Bowling Ball"; Storm, "The Coverstock"; bowling.com coverstock FAQ; USBC Approved Ball List (20 October 2026); USBC Equipment Specifications Manual.