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Columbia 300 Piranha PowerCOR Pearl Bowling Ball Review & Analysis Guide
Columbia 300 Piranha PowerCOR Pearl - bowling ball review & analysis guide

Retro Returns: The Columbia 300 Piranha PowerCOR Pearl
Columbia 300 Piranha PowerCOR Pearl: A Modern Take on a Classic
The Columbia 300 Piranha PowerCOR Pearl bowling ball revives a beloved classic from the 1990s, updating it for today’s game. This ball is designed to deliver a strong backend reaction and dynamic ball motion, making it ideal for bowlers facing medium oil conditions with some residual oil present. The Piranha PowerCOR Pearl is a symmetric ball with a shiny pearl reactive coverstock. It uses the Columbia 300 Piranha PowerCOR Core and the Columbia 300 ERT Pearl Reactive cover. This combination provides a powerful, predictable motion that is reminiscent of the original Piranha, but with a modern twist. The ball is available in weights from 12 to 16 pounds. The release date is February 20, 2025.
The Columbia 300 Piranha PowerCOR Pearl is designed to offer bowlers a versatile option for medium oil conditions. The 15 lb ball has a Radius of Gyration (RG) of 2.51 and a Differential (Diff) of .055. The ball has a 1500 grit polish and a 4-5 inch flare potential. The coverstock is HK22 – ERT+ Pearl with a 500, 1000, 1500 Siaair / Factory Compound finish. This ball is suited to bowlers who want a lengthy reaction with a strong backend. The Piranha PowerCOR Pearl is a must-have addition to any bowler’s arsenal whether they had the original or not. Columbia 300 continues to blend nostalgia with modern performance by bringing back classic bowling balls with upgrades tailored for today’s game.
The Columbia 300 Piranha PowerCOR Pearl’s Core: A Blend of Classic Design and Modern Performance
The Columbia 300 Piranha PowerCOR Pearl bowling ball features the Piranha PowerCOR core, a symmetrical core design that is central to its performance. This core is a modern re-engineering of a classic design from the 1990s, and it aims to deliver a powerful and predictable ball motion. The core’s design is intended to provide a strong backend reaction, making the ball effective in medium oil conditions where some oil is still present on the lane. The symmetrical nature of the core means that its mass is evenly distributed, promoting a consistent and controlled reaction on the lane. This is a key feature for bowlers seeking reliability and precision in their game.
The Piranha PowerCOR core contributes to the ball’s overall specifications which include a Radius of Gyration (RG) of 2.51 and a Differential (Diff) of .055 for the 15 lb ball. These numbers are indicators of the core’s influence on the ball’s motion and are important for bowlers who want to fine-tune their game based on these specifications. The core’s design, paired with the pearl reactive coverstock, helps create the ball’s length with strong backend reaction. The DynamiCore technology is also featured, enhancing the ball’s overall performance. The core is available in weights ranging from 12 to 16 pounds, each with slightly different core numbers.

Bowling Ball Coverstock Type |
PEARL reactive |
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Bowling Ball Cover Name |
HK22 – ERT + PEARL |
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Bowling Ball Core Shape |
Symmetrical core |
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Bowling Ball Core Name |
PIRANHA POWERCOR |
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Surface Finish |
1500 GRIT + FACTORY COMPOUND |
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Â
Radius of Gyration: RG (15LB) Â |
2.51 |
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Differential: Diff (15LB) Â Â |
.055 |
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Mass Bias Strength |
n/a |
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Flare Potential |
4 – 5 INCHES |
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all Lane Conditions |
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HK22 - ERT+ Pearl Coverstock: Length and Angularity Defined

The Columbia 300 Piranha PowerCOR Pearl’s Factory Finish: Polished for Performance
The Columbia 300 Piranha PowerCOR Pearl bowling ball features a factory finish that is specifically designed to complement its pearl reactive coverstock and enhance its overall performance. The ball is finished with a 500, 1000, 1500 Siaair / Factory Compound finish, which is then polished to a 1500 grit polish. This process is important for achieving the desired ball motion, allowing the ball to glide smoothly through the front part of the lane while conserving energy for a strong backend reaction. The polished finish helps the ball retain its energy and respond aggressively when it encounters friction further down the lane. The factory finish is a crucial aspect of the ball’s design, making it ready for use right out of the box.
The 1500 grit polish is a key element of the Piranha PowerCOR Pearl’s factory finish, contributing to its ability to handle medium oil conditions. This level of polish helps to reduce friction in the early part of the lane, enabling the ball to maintain its speed and energy. The result is a ball that can travel further down the lane before making a sharp, angular turn towards the pocket, providing bowlers with a strong backend reaction. The finish is designed to work in combination with the pearl reactive coverstock and the symmetrical core to create a complete system for consistent and powerful ball motion.

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frequently asked questions about Columbia 300's piranha powercor pearl Bowling Ball
The Piranha PowerCOR Pearl is designed for medium to heavy oil lane conditions. It’s a pearl reactive ball intended to provide strong backend motion and a dynamic reaction when the lane still has some oil but you need a strong, angular hook at the back of the lane. It’s positioned as a modern update of a popular 1990s ball, catering to today’s bowling styles and conditions.
The key characteristics include a symmetrical core and a pearl reactive coverstock, which combine to create a ball that offers length through the front of the lane with a strong backend hook. The ball’s specifications, including an RG of 2.51 (15 lb) and a differential of 0.055 (15 lb), further emphasize its ability to achieve a significant change in direction at the backend. The surface is finished with a 1500 grit polish. It also features DynamiCore technology which is designed for enhanced hitting power and performance.
While both the original Piranha PowerCOR and the Pearl version share the same core design for the same powerful symmetric motion, the key difference lies in the coverstock. The Pearl version utilizes a pearl reactive coverstock that is polished which helps the ball to clear the front of the lane more easily and create a sharper, more pronounced hook on the backend, making it suitable for when there’s still some oil but you want a sharper, more angular reaction.
The expected release date for the Columbia 300 Piranha PowerCOR Pearl is February 20, 2025.
The Piranha PowerCOR Pearl features a symmetric core, which results in a more predictable and smoother overall ball motion on the lane, and makes the ball easier to control. It is designed to replicate the core motion of its 1990s predecessor.