Bowling ball cores · Brunswick

Brunswick Bowling Ball Cores

Every Brunswick core in a ball we sell, with its RG, differential and mass bias, on one map

Brunswick puts 10 different cores into the 26 Brunswick balls we have in stock today: 6 symmetric and 4 asymmetric. The newest is the Brunswick Fury Core (the Fury line). The strongest flare comes from the Brunswick Rampart Core (differential 0.051), and the earliest-revving is the Brunswick Alert Core (RG 2.478). Every core below links to its own page with specs by weight and the balls built on it.

Not sure? Take the Ball FinderUpdated October 16, 2026

  • 10 cores in stock
  • 6 symmetric, 4 asymmetric
  • 26 balls in stock
  • 52 cores out of stock

The Brunswick core map

Where Brunswick’s cores sit on RG and differential against every other core we stock. Lower and left revs early with less flare; up and right saves energy and flares more.

DV8 Larceny Core, RG 2.471, diff 0.028DV8 Renegade Core, RG 2.499, diff 0.040Track I-Core Gen4, RG 2.480, diff 0.053Ebonite Big Time Core, RG 2.508, diff 0.054Hammer Stacked LED Core, RG 2.545, diff 0.047Hammer Vindicator Core, RG 2.474, diff 0.053Radical Vexed Variant Asymmetric Core, RG 2.490, diff 0.045Radical Modified Intel Symmetric Core, RG 2.483, diff 0.032Motiv Affliction V2 Core, RG 2.480, diff 0.055Storm Element Tour A.I. Core, RG 2.470, diff 0.035900 Global Conduit A.I. Core, RG 2.590, diff 0.050Roto Grip GEM A.I. Core, RG 2.490, diff 0.057Hammer Obsession Tour Core, RG 2.469, diff 0.034Hammer Super Offset Core, RG 2.524, diff 0.053Hammer Gas Mask Core, RG 2.500, diff 0.058Ebonite Turbo Core, RG 2.517, diff 0.040Ebonite Centrex Symmetrical Mass Bias Core, RG 2.466, diff 0.056Motiv Excel Core, RG 2.550, diff 0.030Motiv Detonator Core, RG 2.470, diff 0.055Storm Solarion A.I. Core, RG 2.480, diff 0.054SWAG Insanity Symmetric Core, RG 2.520, diff 0.034SWAG Fusion Core, RG 2.540, diff 0.036SWAG Watcher Symmetric Core, RG 2.510, diff 0.048SWAG Dragon Asymmetric Core, RG 2.490, diff 0.050SWAG Executioner Asymmetric Core, RG 2.500, diff 0.051Motiv Predator V2 Core, RG 2.470, diff 0.054Storm C3 Centripetal Control Core, RG 2.490, diff 0.029Roto Grip Rondure MaxD Core, RG 2.500, diff 0.058Hammer Vibe Core, RG 2.510, diff 0.042Hammer Aftermath Core, RG 2.520, diff 0.052DV8 Collision Core, RG 2.462, diff 0.052Track MC2 Asym Core, RG 2.473, diff 0.046Radical Evil Eye Symmetric Core, RG 2.495, diff 0.046Ebonite Iron Fist V2 Core, RG 2.473, diff 0.053Radical No Doubt Symmetric Core, RG 2.485, diff 0.051Storm Surge Core, RG 2.580, diff 0.024Roto Grip Hyped UP Core, RG 2.500, diff 0.042Roto Grip Morph-Wing Core, RG 2.510, diff 0.051Motiv Sigma Core, RG 2.470, diff 0.047Roto Grip Hustle Core, RG 2.530, diff 0.030900 Global Blast A.I. Core, RG 2.470, diff 0.055900 Global Strobe A.I. Core, RG 2.510, diff 0.052Radical Guru Core, RG 2.503, diff 0.044Track I-CORE 3.0, RG 2.486, diff 0.056DV8 Unholy Core, RG 2.504, diff 0.051Storm Catalyst A.I. Core, RG 2.480, diff 0.053Hammer Gauntlet Core, RG 2.501, diff 0.050Hammer Raw Hammer Core, RG 2.537, diff 0.038Storm Atmos A.I. Core, RG 2.530, diff 0.042Storm Booster Core, RG 2.540, diff 0.046Track Shuttle Core, RG 2.480, diff 0.040Radical Sneak Attack Core, RG 2.544, diff 0.036Motiv Gear Core, RG 2.480, diff 0.034Hammer Huntsman Core, RG 2.470, diff 0.050Hammer Super LED Core, RG 2.632, diff 0.034Ebonite Enhanced V2 Core, RG 2.480, diff 0.048DV8 Dualistic Core, RG 2.496, diff 0.045Radical Vexed Asymmetric Core, RG 2.498, diff 0.036Motiv Quadfire Core, RG 2.550, diff 0.043Track Stealth Core, RG 2.482, diff 0.056Columbia 300 Piranha Core, RG 2.554, diff 0.043Storm Torsion A.I. Core, RG 2.470, diff 0.050Storm Element Max A.I. Core, RG 2.470, diff 0.055Storm Radius Core, RG 2.610, diff 0.020Roto Grip Rondure Tour X Core, RG 2.480, diff 0.034SWAG Unreal Core, RG 2.510, diff 0.047SWAG Craze Core, RG 2.520, diff 0.030SWAG Serpent Asymmetric Core, RG 2.510, diff 0.048Radical Torpedo Asymmetric Core, RG 2.480, diff 0.052Motiv Overload Core, RG 2.480, diff 0.050DV8 Duality Core, RG 2.480, diff 0.036Hammer Spheroid Core, RG 2.480, diff 0.048Radical Outer Limits Asymmetric Core, RG 2.499, diff 0.051Motiv Apex Predator Core, RG 2.520, diff 0.055Storm RAD-TQ Core, RG 2.560, diff 0.051Storm Velocity Core, RG 2.480, diff 0.051Hammer Modified LED Core, RG 2.586, diff 0.027Epic Spark Core, RG 2.540, diff 0.049Motiv Hadron Dual Density Core, RG 2.500, diff 0.045Track Criterion ID Core, RG 2.496, diff 0.047Ebonite Entity Core, RG 2.515, diff 0.052Roto Grip Rocker A.I. Core, RG 2.480, diff 0.050Motiv Flux Core, RG 2.570, diff 0.015DV8 Mantra Core, RG 2.498, diff 0.047Hammer Gas Mask Low Diff Core, RG 2.500, diff 0.034Roto Grip RST A.I. Core, RG 2.520, diff 0.055Motiv Impulse V2 Core, RG 2.550, diff 0.050SWAG APX V1 Core, RG 2.500, diff 0.042SWAG Judge Core, RG 2.490, diff 0.052900 Global Magna A.I. Core, RG 2.490, diff 0.044Columbia 300 Pulse PowerCOR Core, RG 2.468, diff 0.045KR Strikeforce Launch Core, RG 2.530, diff 0.047900 Global Ellipse Asymmetric A.I. Core, RG 2.480, diff 0.050Motiv Halogen Core, RG 2.550, diff 0.037Storm C3 A.I. Core, RG 2.480, diff 0.031Motiv Gear APG Core, RG 2.470, diff 0.036Radical Snapshot Symmetric Core, RG 2.523, diff 0.050Hammer High Rev Offset Core, RG 2.489, diff 0.053Hammer Huntsman Tour Core, RG 2.472, diff 0.036Hammer LED Core, RG 2.650, diff 0.015Storm Inverted Fe2 Core, RG 2.570, diff 0.046Storm Capacitor Core, RG 2.570, diff 0.022Brunswick Light Bulb Core (pictured: Brunswick Rhino Red Black Gold Pearl Bowling Ball)1Brunswick Fury Core (pictured: Brunswick Fury Emerald Black Bowling Ball)2Brunswick Tiered Hexagon Core (pictured: Brunswick Crown Victory Bowling Ball)3Brunswick Alert Core (pictured: Brunswick Alert Bowling Ball)4Brunswick Danger Zone Core (pictured: Brunswick Danger Zone Bowling Ball)5Brunswick Dual Centric Core (pictured: Brunswick Strategy Logic Bowling Ball)6Brunswick Rampart Core (pictured: Brunswick Combat Solid Bowling Ball)7Brunswick Infinity Core (pictured: Brunswick Infinity Quest Pearl Bowling Ball)8Brunswick Vintage Light Bulb Low RG Core (pictured: Brunswick Purple Rhino Pro Bowling Ball)9Brunswick Zone Asymmetric Core (pictured: Brunswick Energize Bowling Ball)102.442.482.522.562.602.642.680.0100.0200.0300.0400.0500.060RG at 15 lbDifferential at 15 lb← Revs up soonerRevs up later →More flare ↑Less flare ↓
DV8 Larceny Core, RG 2.471, diff 0.028DV8 Renegade Core, RG 2.499, diff 0.040Track I-Core Gen4, RG 2.480, diff 0.053Ebonite Big Time Core, RG 2.508, diff 0.054Hammer Stacked LED Core, RG 2.545, diff 0.047Hammer Vindicator Core, RG 2.474, diff 0.053Radical Vexed Variant Asymmetric Core, RG 2.490, diff 0.045Radical Modified Intel Symmetric Core, RG 2.483, diff 0.032Motiv Affliction V2 Core, RG 2.480, diff 0.055Storm Element Tour A.I. Core, RG 2.470, diff 0.035900 Global Conduit A.I. Core, RG 2.590, diff 0.050Roto Grip GEM A.I. Core, RG 2.490, diff 0.057Hammer Obsession Tour Core, RG 2.469, diff 0.034Hammer Super Offset Core, RG 2.524, diff 0.053Hammer Gas Mask Core, RG 2.500, diff 0.058Ebonite Turbo Core, RG 2.517, diff 0.040Ebonite Centrex Symmetrical Mass Bias Core, RG 2.466, diff 0.056Motiv Excel Core, RG 2.550, diff 0.030Motiv Detonator Core, RG 2.470, diff 0.055Storm Solarion A.I. Core, RG 2.480, diff 0.054SWAG Insanity Symmetric Core, RG 2.520, diff 0.034SWAG Fusion Core, RG 2.540, diff 0.036SWAG Watcher Symmetric Core, RG 2.510, diff 0.048SWAG Dragon Asymmetric Core, RG 2.490, diff 0.050SWAG Executioner Asymmetric Core, RG 2.500, diff 0.051Motiv Predator V2 Core, RG 2.470, diff 0.054Storm C3 Centripetal Control Core, RG 2.490, diff 0.029Roto Grip Rondure MaxD Core, RG 2.500, diff 0.058Hammer Vibe Core, RG 2.510, diff 0.042Hammer Aftermath Core, RG 2.520, diff 0.052DV8 Collision Core, RG 2.462, diff 0.052Track MC2 Asym Core, RG 2.473, diff 0.046Radical Evil Eye Symmetric Core, RG 2.495, diff 0.046Ebonite Iron Fist V2 Core, RG 2.473, diff 0.053Radical No Doubt Symmetric Core, RG 2.485, diff 0.051Storm Surge Core, RG 2.580, diff 0.024Roto Grip Hyped UP Core, RG 2.500, diff 0.042Roto Grip Morph-Wing Core, RG 2.510, diff 0.051Motiv Sigma Core, RG 2.470, diff 0.047Roto Grip Hustle Core, RG 2.530, diff 0.030900 Global Blast A.I. Core, RG 2.470, diff 0.055900 Global Strobe A.I. Core, RG 2.510, diff 0.052Radical Guru Core, RG 2.503, diff 0.044Track I-CORE 3.0, RG 2.486, diff 0.056DV8 Unholy Core, RG 2.504, diff 0.051Storm Catalyst A.I. Core, RG 2.480, diff 0.053Hammer Gauntlet Core, RG 2.501, diff 0.050Hammer Raw Hammer Core, RG 2.537, diff 0.038Storm Atmos A.I. Core, RG 2.530, diff 0.042Storm Booster Core, RG 2.540, diff 0.046Track Shuttle Core, RG 2.480, diff 0.040Radical Sneak Attack Core, RG 2.544, diff 0.036Motiv Gear Core, RG 2.480, diff 0.034Hammer Huntsman Core, RG 2.470, diff 0.050Hammer Super LED Core, RG 2.632, diff 0.034Ebonite Enhanced V2 Core, RG 2.480, diff 0.048DV8 Dualistic Core, RG 2.496, diff 0.045Radical Vexed Asymmetric Core, RG 2.498, diff 0.036Motiv Quadfire Core, RG 2.550, diff 0.043Track Stealth Core, RG 2.482, diff 0.056Columbia 300 Piranha Core, RG 2.554, diff 0.043Storm Torsion A.I. Core, RG 2.470, diff 0.050Storm Element Max A.I. Core, RG 2.470, diff 0.055Storm Radius Core, RG 2.610, diff 0.020Roto Grip Rondure Tour X Core, RG 2.480, diff 0.034SWAG Unreal Core, RG 2.510, diff 0.047SWAG Craze Core, RG 2.520, diff 0.030SWAG Serpent Asymmetric Core, RG 2.510, diff 0.048Radical Torpedo Asymmetric Core, RG 2.480, diff 0.052Motiv Overload Core, RG 2.480, diff 0.050DV8 Duality Core, RG 2.480, diff 0.036Hammer Spheroid Core, RG 2.480, diff 0.048Radical Outer Limits Asymmetric Core, RG 2.499, diff 0.051Motiv Apex Predator Core, RG 2.520, diff 0.055Storm RAD-TQ Core, RG 2.560, diff 0.051Storm Velocity Core, RG 2.480, diff 0.051Hammer Modified LED Core, RG 2.586, diff 0.027Epic Spark Core, RG 2.540, diff 0.049Motiv Hadron Dual Density Core, RG 2.500, diff 0.045Track Criterion ID Core, RG 2.496, diff 0.047Ebonite Entity Core, RG 2.515, diff 0.052Roto Grip Rocker A.I. Core, RG 2.480, diff 0.050Motiv Flux Core, RG 2.570, diff 0.015DV8 Mantra Core, RG 2.498, diff 0.047Hammer Gas Mask Low Diff Core, RG 2.500, diff 0.034Roto Grip RST A.I. Core, RG 2.520, diff 0.055Motiv Impulse V2 Core, RG 2.550, diff 0.050SWAG APX V1 Core, RG 2.500, diff 0.042SWAG Judge Core, RG 2.490, diff 0.052900 Global Magna A.I. Core, RG 2.490, diff 0.044Columbia 300 Pulse PowerCOR Core, RG 2.468, diff 0.045KR Strikeforce Launch Core, RG 2.530, diff 0.047900 Global Ellipse Asymmetric A.I. Core, RG 2.480, diff 0.050Motiv Halogen Core, RG 2.550, diff 0.037Storm C3 A.I. Core, RG 2.480, diff 0.031Motiv Gear APG Core, RG 2.470, diff 0.036Radical Snapshot Symmetric Core, RG 2.523, diff 0.050Hammer High Rev Offset Core, RG 2.489, diff 0.053Hammer Huntsman Tour Core, RG 2.472, diff 0.036Hammer LED Core, RG 2.650, diff 0.015Storm Inverted Fe2 Core, RG 2.570, diff 0.046Storm Capacitor Core, RG 2.570, diff 0.022Brunswick Light Bulb Core (pictured: Brunswick Rhino Red Black Gold Pearl Bowling Ball)1Brunswick Fury Core (pictured: Brunswick Fury Emerald Black Bowling Ball)2Brunswick Tiered Hexagon Core (pictured: Brunswick Crown Victory Bowling Ball)3Brunswick Alert Core (pictured: Brunswick Alert Bowling Ball)4Brunswick Danger Zone Core (pictured: Brunswick Danger Zone Bowling Ball)5Brunswick Dual Centric Core (pictured: Brunswick Strategy Logic Bowling Ball)6Brunswick Rampart Core (pictured: Brunswick Combat Solid Bowling Ball)7Brunswick Infinity Core (pictured: Brunswick Infinity Quest Pearl Bowling Ball)8Brunswick Vintage Light Bulb Low RG Core (pictured: Brunswick Purple Rhino Pro Bowling Ball)9Brunswick Zone Asymmetric Core (pictured: Brunswick Energize Bowling Ball)102.462.512.562.610.0140.0220.0300.0380.0460.054RG at 15 lbDifferential at 15 lb← Revs up soonerRevs up later →More flare ↑Less flare ↓
Numbered: the Brunswick cores in stock, pictured by a ball that uses each. Grey dots: every other core in a reactive or urethane ball we stock. Up and right means more flare and later rev-up.

Map key: Brunswick cores in stock

  1. 1Brunswick Rhino Red Black Gold Pearl Bowling BallBrunswick Light Bulb CoreSymmetricRG 2.524Diff 0.030
  2. 2Brunswick Fury Emerald Black Bowling BallBrunswick Fury CoreSymmetricRG 2.524Diff 0.038
  3. 3Brunswick Crown Victory Bowling BallBrunswick Tiered Hexagon CoreSymmetricRG 2.540Diff 0.045
  4. 4Brunswick Alert Bowling BallBrunswick Alert CoreSymmetricRG 2.478Diff 0.037
  5. 5Brunswick Danger Zone Bowling BallBrunswick Danger Zone CoreSymmetricRG 2.501Diff 0.048
  6. 6Brunswick Strategy Logic Bowling BallBrunswick Dual Centric CoreAsymmetricRG 2.509Diff 0.047
  7. 7Brunswick Combat Solid Bowling BallBrunswick Rampart CoreAsymmetricRG 2.502Diff 0.051
  8. 8Brunswick Infinity Quest Pearl Bowling BallBrunswick Infinity CoreAsymmetricRG 2.521Diff 0.051
  9. 9Brunswick Purple Rhino Pro Bowling BallBrunswick Vintage Light Bulb Low RG CoreSymmetricRG 2.568Diff 0.032
  10. 10Brunswick Energize Bowling BallBrunswick Zone Asymmetric CoreAsymmetricRG 2.478Diff 0.048

Brunswick cores in stock

The 10 cores in Brunswick balls you can buy today, most balls in stock first.

  1. Brunswick Rhino Red Black Gold Pearl Bowling BallBrunswick Light Bulb CoreSymmetricRG 2.524Diff 0.0307 in stockNewest: Brunswick Rhino Purple Pink Berry
  2. Brunswick Fury Emerald Black Bowling BallBrunswick Fury CoreSymmetricRG 2.524Diff 0.0385 in stockNewest: Brunswick Fury Emerald Black
  3. Brunswick Crown Victory Bowling BallBrunswick Tiered Hexagon CoreSymmetricRG 2.540Diff 0.0453 in stockNewest: Brunswick Crown Victory Pearl
  4. Brunswick Alert Bowling BallBrunswick Alert CoreSymmetricRG 2.478Diff 0.0372 in stockNewest: Brunswick Warning Alert
  5. Brunswick Danger Zone Bowling BallBrunswick Danger Zone CoreSymmetricRG 2.501Diff 0.0482 in stockNewest: Brunswick Danger Zone
  6. Brunswick Strategy Logic Bowling BallBrunswick Dual Centric CoreAsymmetricRG 2.509Diff 0.047Mass bias 0.0162 in stockNewest: Brunswick Strategy Logic
  7. Brunswick Combat Solid Bowling BallBrunswick Rampart CoreAsymmetricRG 2.502Diff 0.051Mass bias 0.0192 in stockNewest: Brunswick Combat Solid
  8. Brunswick Infinity Quest Pearl Bowling BallBrunswick Infinity CoreAsymmetricRG 2.521Diff 0.051Mass bias 0.0101 in stockNewest: Brunswick Infinity Quest Pearl
  9. Brunswick Purple Rhino Pro Bowling BallBrunswick Vintage Light Bulb Low RG CoreSymmetricRG 2.568Diff 0.0321 in stockNewest: Brunswick Purple Rhino Pro
  10. Brunswick Energize Bowling BallBrunswick Zone Asymmetric CoreAsymmetricRG 2.478Diff 0.048Mass bias 0.0171 in stockNewest: Brunswick Energize

Specs are the manufacturer’s 15 lb figures. Click a core for its specs by weight, the balls built on it and the nearest cores from other brands.

Brunswick cores out of stock

52 Brunswick cores with no ball in stock right now, newest first.

  1. Brunswick Tri-Elliptic CoreAsymmetricRG 2.510Diff 0.056Used in: Brunswick Hypnotize, Brunswick Mesmerize
  2. Brunswick Ethos CoreSymmetricRG 2.480Diff 0.053Used in: Brunswick Ethos Solid, Brunswick Ethos Hybrid, Brunswick Ethos
  3. Brunswick Mindset CoreAsymmetricRG 2.480Diff 0.050Used in: Brunswick Intense Mindset, Brunswick Perfect Mindset, Brunswick Mindset
  4. Brunswick QCS-18 CoreAsymmetricRG 2.510Diff 0.052Used in: Brunswick Quantum Evo Hybrid
  5. Brunswick Z03 CoreAsymmetricRG 2.480Diff 0.053Used in: Brunswick Zodiac Aquarius
  6. Brunswick Z02 CoreAsymmetricRG 2.470Diff 0.047Used in: Brunswick Zodiac Sagittarius
  7. Brunswick Z01 CoreAsymmetricRG 2.480Diff 0.050Used in: Brunswick Zodiac Aries
  8. Brunswick Valkyrie Asymmetric CoreAsymmetricRG 2.520Diff 0.048Used in: Brunswick Valkyrie
  9. Brunswick Portal X CoreAsymmetricRG 2.473Diff 0.054Used in: Brunswick Ultimate Defender, Brunswick Defender Aegis Overseas, Brunswick Defender Hybrid
  10. Brunswick QCS-24 CoreAsymmetricRG 2.511Diff 0.053Used in: Brunswick Quantum EVO Response, Brunswick Quantum EVO Response Overseas, Brunswick Quantum EVO Pearl
  11. Brunswick QCS-12 CoreAsymmetricRG 2.502Diff 0.048Used in: Brunswick Quantum EVO Solid
  12. Brunswick Zenith CoreAsymmetricRG 2.485Diff 0.052Used in: Brunswick Zenith, Brunswick Zenith Pearl, Brunswick Zenith Hybrid
  13. Brunswick U-Motion CoreSymmetricRG 2.596Diff 0.020Used in: Brunswick U-Motion
  14. Brunswick Cynosure CoreSymmetricRG 2.471Diff 0.032Used in: Brunswick Phantom
  15. Brunswick Portal CoreAsymmetricRG 2.465Diff 0.051Used in: Brunswick Prism Solid, Brunswick Prism Hybrid, Brunswick Prism Warp
  16. Brunswick Brink Symmetric CoreSymmetricRG 2.500Diff 0.043Used in: Brunswick Jagged Edge Solid, Brunswick Jagged Edge Hybrid, Brunswick Igniter Pearl
  17. Brunswick Contra CoreSymmetricRG 2.474Diff 0.047Used in: Brunswick Fearless, Brunswick Hero, Brunswick Hero Solid
  18. Brunswick Kingpin Ultra Low RG CoreAsymmetricRG 2.480Diff 0.055Used in: Brunswick Kingpin Gold Special Edition, Brunswick Kingpin Rule, Brunswick Kingpin
  19. Brunswick Quantum Mushroom High RG Asymmetric CoreAsymmetricRG 2.563Diff 0.052Used in: Brunswick Quantum Bias, Brunswick Quantum Bias Pearl, Brunswick Quantum Bias Urethane Purple
  20. Brunswick Tenacity Low RG CoreAsymmetricRG 2.500Diff 0.052Used in: Brunswick Tenacity, Brunswick Tenacity Grit
  21. Brunswick Magnitude 035 Low Diff CoreSymmetricRG 2.520Diff 0.035Used in: Brunswick True Motion, Brunswick Magnitude 035 Pearl
  22. Brunswick Magnitude 055 High Diff CoreSymmetricRG 2.490Diff 0.055Used in: Brunswick Magnitude 055, Brunswick Method, Brunswick Method Solid
  23. Brunswick Vintage Inferno Low RG CoreSymmetricRG 2.470Diff 0.050Used in: Brunswick Inferno Vintage
  24. Brunswick Quantum Mushroom High RG Symmetric CoreSymmetricRG 2.550Diff 0.053Used in: Brunswick Forest Green Solid Quantum, Brunswick Quantum Fire Pearl, Brunswick Quantum Classic Black
  25. Brunswick Nirvana Ultra Low RG CoreAsymmetricRG 2.470Diff 0.054Used in: Brunswick Absolute Nirvana, Brunswick True Nirvana, Brunswick Dark Nirvana Dainsleif
  26. Brunswick Soul CoreSymmetricRG 2.540Diff 0.041Used in: Brunswick Soul Black Smoke Solid, Brunswick Soul Mate Orange Fire Pearl
  27. Brunswick High Differential Vintage CoreSymmetricRG 2.520Diff 0.048Used in: Brunswick Vintage Gold Rhino Pro
  28. Brunswick Melee CoreSymmetricRG 2.480Diff 0.050Used in: Brunswick Knock Out Bruiser, Brunswick Melee Jab, Brunswick Melee Jab SE
  29. Brunswick Brute CoreSymmetricRG 2.490Diff 0.032Used in: Brunswick Brute
  30. Brunswick Melee Low RG CoreSymmetricRG 2.487Diff 0.050Used in: Brunswick Melee Jab Lunatic Overseas, Brunswick Melee Cross
  31. Brunswick Fortera Flip CoreAsymmetricRG 2.510Diff 0.050Used in: Brunswick Fortera Exile, Brunswick Fortera Intrigue
  32. Brunswick Mastermind (Modified) CoreAsymmetricRG 2.480Diff 0.052Used in: Brunswick Mastermind Genius, Brunswick Mastermind Scholar, Brunswick Mastermind Einstein
  33. Brunswick LT-48 CoreSymmetricRG 2.560Diff 0.038Used in: Brunswick Vintage LT-48
  34. Brunswick Mastermind CoreAsymmetricRG 2.480Diff 0.052Used in: Brunswick Mastermind Intellect, Brunswick Mastermind, Brunswick Mastermind Zero XD
  35. Brunswick Ringer CoreSymmetricRG 2.530Diff 0.038Used in: Brunswick Ringer Royal Blue Solid, Brunswick Ringer Platinum Pearl, Brunswick Ringer Burgundy
  36. Brunswick Melee Medium RG CoreSymmetricRG 2.530Diff 0.050Used in: Brunswick Melee
  37. Brunswick Aura CoreAsymmetricRG 2.480Diff 0.052Used in: Brunswick Aura Mystic, Brunswick Aura Paranormal, Brunswick Aura
  38. Brunswick Strike King CoreSymmetricRG 2.570Diff 0.028Used in: Brunswick Strike King Emerald Pearl, Brunswick Strike King Black Pearl, Brunswick Strike King Red Gold Pearl
  39. Brunswick Ultra Low Dual Flip I-Block CoreSymmetricRG 2.480Diff 0.055Used in: Brunswick C•System Maxxed Out
  40. Brunswick Meanstreak High RG CoreSymmetricRG 2.550Diff 0.048Used in: Brunswick Meanstreak
  41. Brunswick Meanstreak Medium RG CoreSymmetricRG 2.530Diff 0.048Used in: Brunswick Meanstreak Beatdown, Brunswick Meanstreak Brawler
  42. Brunswick Low RG Performance CoreSymmetricRG 2.490Diff 0.050Used in: Brunswick Massive Damage
  43. Brunswick Nexus Rotor CoreAsymmetricRG 2.480Diff 0.056Used in: Brunswick Nexxus F(P+R), Brunswick Nexus F(P+F), Brunswick NeXXus Fusion Ohm
  44. Brunswick Dual Flip I-Block CoreSymmetricRG 2.540Diff 0.052Used in: Brunswick Fanatic BTU Steel, Brunswick C•(System) Versa Max, Brunswick C•(System) Ulti Max
  45. Brunswick Nexus Arrowhead CoreAsymmetricRG 2.500Diff 0.056Used in: Brunswick NEXXXUS F(P+S), Brunswick Nexus F(P)
  46. Brunswick Two-Piece Shaped Dynamic CoreSymmetricRG 2.580Diff 0.021Used in: Brunswick Slingshot Red Orange Pearl
  47. Brunswick Twist Low Diff CoreSymmetricRG 2.590Diff 0.018Used in: Brunswick Twist Lavender Lime, Brunswick Twist Sky Blue Pink Snow, Brunswick Twist Red Purple
  48. Brunswick Medium RG Performance CoreSymmetricRG 2.530Diff 0.040Used in: Brunswick Karma Urethane, Brunswick Karma Pink Purple Pearl, Brunswick Karma Black Blue Solid
  49. Brunswick Asymmetric I-Block CoreAsymmetricRG 2.530Diff 0.050Used in: Brunswick C•(System) Alpha Max
  50. Brunswick Jack CoreSymmetricRG 2.520Diff 0.054Used in: Brunswick Lethal Revolver
  51. Brunswick I-BlockNo current ball in our catalog
  52. Brunswick Kingpin Low RGNo current ball in our catalog

Out of stock means no ball with this core is in stock at BowlersMart today. Some come back when the ball restocks; others the brand has retired. The core pages stay up because bowlers still search for these balls, and each one points to the closest cores in stock.

Shop Brunswick bowling balls

Best-selling Brunswick balls right now

Shop all Brunswick bowling balls

Ranked by what BowlersMart customers bought in the last 30 days. Prices and stock are updated nightly.

Brunswick TZone Night Sky Bowling BallBrunswick TZone Night Sky Bowling Ball21$69.95$99.95Brunswick TZone Indigo Swirl Bowling BallBrunswick TZone Indigo Swirl Bowling Ball59$69.95$99.95Brunswick Danger Zone Bowling BallBrunswick Danger Zone Bowling Ball87$119.95$199.95Brunswick Alert Bowling BallBrunswick Alert Bowling Ball27$159.95$249.95Brunswick Fury Emerald Black Bowling BallBrunswick Fury Emerald Black Bowling Ball$109.95$179.95Brunswick Danger Zone Purple Ice Bowling BallBrunswick Danger Zone Purple Ice Bowling Ball20$119.95$199.95Brunswick Fury Red Blue Black Bowling BallBrunswick Fury Red Blue Black Bowling Ball$109.95$179.95Brunswick Rhino Red Black Gold Pearl Bowling BallBrunswick Rhino Red Black Gold Pearl Bowling Ball70$94.95$169.95Brunswick Rhino Purple Black Bowling BallBrunswick Rhino Purple Black Bowling Ball21$94.95$169.95Brunswick Warning Alert Bowling BallBrunswick Warning Alert Bowling Ball$159.95$249.95Brunswick Crown Victory Pearl Bowling BallBrunswick Crown Victory Pearl Bowling Ball10$149.95$239.95Brunswick Crown Victory Bowling BallBrunswick Crown Victory Bowling Ball20$139.95$239.95

Questions bowlers ask

What cores does Brunswick use in its bowling balls?

10 different cores are in the Brunswick balls we stock today: Light Bulb Core, Fury Core, Tiered Hexagon Core, Alert Core, Danger Zone Core, Dual Centric Core, Rampart Core, Infinity Core and others. 6 are symmetric and 4 asymmetric. Each core’s page lists its RG, differential and mass bias by weight.

Which Brunswick core has the most flare?

The Brunswick Rampart Core, with a differential of 0.051 at 15 lb, the highest of the Brunswick cores in stock. Higher differential means more flare potential and a stronger, more angular motion.

Which Brunswick core revs up earliest?

The Brunswick Alert Core, with an RG of 2.478 at 15 lb, the lowest of the Brunswick cores in stock. A low RG core starts revving sooner and reads the midlane earlier.

Are Brunswick cores symmetric or asymmetric?

Both. Of the 10 Brunswick cores in stock, 6 are symmetric (one pin marker, a smooth continuous arc) and 4 are asymmetric (pin and PSA markers, a stronger and more angular backend).

What is Brunswick’s newest core?

The Brunswick Fury Core, in the Fury line, first sold here in June 2026. It is symmetric with an RG of 2.524 and a differential of 0.038 at 15 lb.

Next lesson

Brunswick drilling layoutsThe layouts Brunswick publishes for these cores.Brunswick coverstocksEvery Brunswick cover compound and the balls that use it.Bowling ball coresRG, differential and mass bias explained, and every brand’s library.Bowling balls by RGAll in-stock balls sorted by RG.

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