Bowling ball core · Brunswick

Brunswick Melee Low RG Core

The core inside the Brunswick Melee Jab line

A symmetric core with early rev-up and medium flare, built for medium to heavy oil. Balls with this core are no longer available at BowlersMart.

  • Symmetric
  • RG 2.487
  • Diff 0.050
Brunswick Melee Low RG symmetric core shape inside the ball

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Specs

RG AT 15 LB

2.487

Early rev-up

Revs soonerRevs later

32% of the reactive and urethane balls we stock have a lower RG.

DIFFERENTIAL AT 15 LB

0.050

Medium flare

Less flareMore flare

62% of the reactive and urethane balls we stock have a lower differential.

MASS BIAS AT 15 LB

None

Symmetric core

Symmetric cores have no mass bias marker to place when drilling.

RG How soon the ball revs up.Differential How much the ball can flare.Mass bias How asymmetric the core is.
Brunswick Melee Low RG Core specs by ball weight
Weight RG DifferentialDiff Mass biasMB
16 lb 2.475 0.050 None
15 lbUsed on this page 2.487 0.050 None
14 lb 2.503 0.050 None
13 lb 2.574 0.040 None
12 lb 2.597 0.040 None

Source: Brunswick published specs, as shown on BowlersMart’s original Brunswick Melee Low RG core page (2022). RG and differential change with ball weight; use the row for the weight you throw. The highlighted 15 lb row is the one used on this page.

Looking for a ball like your Melee Jab?

Balls with the Brunswick Melee Low RG Core are no longer available at BowlersMart. These in-stock balls have the closest RG and differential.

SWAG Black Dragon Hybrid Bowling Ball

SWAG Black Dragon Hybrid

SWAG Scorch Hybrid AP26

Heavy oil, medium to heavy oil

Sale price $159.95 Regular price $259.95In stock
Radical No Doubt Hybrid Bowling Ball

Radical No Doubt Hybrid

Radical Advantage Plus Hybrid Reactive

Heavy oil, medium oil

Sale price $174.95 Regular price $259.95In stock
Radical Outer Limits Black Hole Bowling Ball

Radical Outer Limits Black Hole

Radical HK22C Solid Reactive

Heavy oil

Sale price $159.95 Regular price $259.95In stock
Motiv Evoke Mayhem Bowling Ball

Motiv Evoke Mayhem

Motiv Propulsion MXV Reactive

Medium to heavy oil

Sale price $204.95 Regular price $289.95In stock
900 Global Origin EX Bowling Ball

900 Global Origin EX

900 Global RB 89 Solid Reactive

Medium to heavy oil

Sale price $109.95 Regular price $299.95In stock
Roto Grip Rockstar Amped Bowling Ball

Roto Grip Rockstar Amped

Roto Grip Nanostar Pearl Reactive

Medium to heavy oil

Sale price $104.95 Regular price $249.95In stock

Balls with the Brunswick Melee Low RG Core

None of the 10 balls with the Brunswick Melee Low RG Core are in stock at BowlersMart right now.

Show 10 balls no longer available at BowlersMart
More bowling balls with the Brunswick Melee Low RG Core
Ball Cover First seen
Brunswick Melee Jab Lunatic Overseas Bowling Ball Brunswick Savvy Hook 4.0 Pearl Reactive April 2025
Brunswick Knock Out Bruiser Bowling Ball Brunswick Savvy Hook 4.0 Solid December 2022
Brunswick Melee Jab Carbon Bowling Ball Brunswick Activator Xtreme Hook Pearl Reactive June 2022
Brunswick Melee Jab Midnight Blue Bowling Ball Brunswick Savvy Hook 3.0 Pearl Reactive June 2021
Brunswick Melee Jab Blood Red Bowling Ball Brunswick Savvy Hook 2.0 Pearl Reactive August 2020
Brunswick Melee Jab Bowling Ball Brunswick Savvy Hook Pearl Reactive November 2014
Brunswick Melee Cross Bowling Ball Brunswick Savvy Hook Solid Reactive May 2014
Brunswick Melee Jab SE Bowling Ball Brunswick Savvy Hook 2.0 Pearl Reactive August 2019
Brunswick Uppercut Bowling Ball Brunswick Savvy Hook 3.0 Pearl Reactive December 2019
Brunswick Knock Out Black & Blue Bowling Ball Brunswick Savvy Hook 3.5 Solid Reactive December 2021

Where the Brunswick Melee Low RG sits

Each dot is a core in balls we stock. Cores close together roll alike; the cover and layout decide the rest.

Storm Element Tour A.I. Core, RG 2.470, diff 0.035DV8 Larceny Core, RG 2.471, diff 0.028DV8 Renegade Core, RG 2.499, diff 0.040Track I-Core Gen4, RG 2.480, diff 0.053Brunswick Vintage Light Bulb Low RG Core, RG 2.568, diff 0.032Brunswick Dual Centric Core, RG 2.509, diff 0.047Ebonite 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 0.055900 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 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 0.052Brunswick Alert Core, RG 2.478, diff 0.037Brunswick Rampart Core, RG 2.502, diff 0.051DV8 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 0.053Storm 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 0.051Brunswick Fury Core, RG 2.524, diff 0.038Motiv 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 0.051Brunswick Infinity Core, RG 2.521, 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 0.040Brunswick Light Bulb Core, RG 2.524, diff 0.030Radical 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 0.034DV8 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 0.056Brunswick Tiered Hexagon Core, RG 2.540, diff 0.045Columbia 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 0.036Radical Outer Limits Asymmetric Core, RG 2.499, diff 0.051Motiv Apex Predator Core, RG 2.520, diff 0.055Brunswick Danger Zone Core, RG 2.501, diff 0.048Storm RAD-TQ Core, RG 2.560, 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 0.047Brunswick Zone Asymmetric Core, RG 2.478, diff 0.048Ebonite Entity Core, RG 2.515, diff 0.052Motiv 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 0.022SWAG Dragon Asymmetric Core (pictured: SWAG Black Dragon Bowling Ball)1Radical No Doubt Symmetric Core (pictured: Radical No Doubt Hybrid Bowling Ball)2Roto Grip Rocker A.I. Core (pictured: Roto Grip Rockstar Amped Bowling Ball)3Storm Velocity Core (pictured: Storm Phaze 2 Bowling Ball)4Ebonite Enhanced V2 Core (pictured: Ebonite Game Breaker 5 GB5 Bowling Ball)5Hammer Spheroid Core (pictured: Hammer Hammerhead Pearl Bowling Ball)6Brunswick Melee Low RG Core (pictured: Brunswick Melee Jab Lunatic Overseas Bowling Ball)EARLY REV-UPMID-LANELATER REV-UPHIGH FLAREMEDIUMLOW FLARE2.442.482.522.562.602.642.680.0100.0200.0300.0400.0500.060RG at 15 lbDifferential at 15 lb← Revs up soonerRevs up later →More flare ↑Less flare ↓

Nearest cores, zoomed in

Hover or tap a dot for that core’s numbers. Click a dot to open its page. Drag to move around when zoomed in. The same RG and differential do not guarantee the same ball motion.

Same family: Brunswick Melee Medium RG Core

This core 1 Nearest cores Other cores

Nearest cores to the Brunswick Melee Low RG Core
Core Brand Shape RG Diff vs this core
SWAG Black Dragon Bowling Ball1SWAG Dragon Asymmetric CorePictured: SWAG Black Dragon
 SWAG Asymmetric 2.490 0.050 RG +0.003 · Diff 0.000
Radical No Doubt Hybrid Bowling Ball2Radical No Doubt Symmetric CorePictured: Radical No Doubt Hybrid
 Radical Symmetric 2.485 0.051 RG −0.002 · Diff +0.001
Roto Grip Rockstar Amped Bowling Ball3Roto Grip Rocker A.I. CorePictured: Roto Grip Rockstar Amped
 Roto Grip Symmetric 2.480 0.050 RG −0.007 · Diff 0.000
Storm Phaze 2 Bowling Ball4Storm Velocity CorePictured: Storm Phaze 2
 Storm Symmetric 2.480 0.051 RG −0.007 · Diff +0.001
Ebonite Game Breaker 5 GB5 Bowling Ball5Ebonite Enhanced V2 CorePictured: Ebonite Game Breaker 5 GB5
 Ebonite Symmetric 2.480 0.048 RG −0.007 · Diff −0.002
Hammer Hammerhead Pearl Bowling Ball6Hammer Spheroid CorePictured: Hammer Hammerhead Pearl
 Hammer Symmetric 2.480 0.048 RG −0.007 · Diff −0.002

Matches use 15 lb RG and differential.

Drilling and tools

Brunswick drill sheetsLayout guides for symmetric and asymmetric ballsDual angle converterTurn a pin to PAP layout into a dual angle layout

The new Melee Low RG symmetrical core features a curvilinear design to provide maximum energy retention. The new core shape revs quicker producing maximum performance and drilling versatility.

From Brunswick’s description

Questions bowlers ask

What is the RG of the Brunswick Melee Low RG Core?

At 15 lb the Brunswick Melee Low RG Core has an RG of 2.487. It ranges from 2.475 to 2.597 across the listed weights.

What is the 14 lb RG of the Brunswick Melee Low RG Core?

At 14 lb the RG is 2.503.

What is the differential of the Brunswick Melee Low RG Core?

At 15 lb the differential is 0.050. This is a symmetric core, so mass bias is not applicable.

Which bowling balls use the Brunswick Melee Low RG Core?

Brunswick Melee Jab Lunatic Overseas Bowling Ball, Brunswick Knock Out Bruiser Bowling Ball, Brunswick Melee Jab Carbon Bowling Ball, Brunswick Melee Jab Midnight Blue Bowling Ball, Brunswick Melee Jab Blood Red Bowling Ball. 0 are in stock now.

Can I still buy a ball with the Brunswick Melee Low RG Core?

Balls with this core are currently unavailable at BowlersMart. Closest in-stock alternatives by RG and differential include SWAG Black Dragon Hybrid Bowling Ball, Radical No Doubt Hybrid Bowling Ball, Radical Outer Limits Black Hole Bowling Ball, Motiv Evoke Mayhem Bowling Ball, 900 Global Origin EX Bowling Ball, Roto Grip Rockstar Amped Bowling Ball.

How do the Brunswick Melee Low RG Core specs change by weight?

At 16 lb: RG 2.475, differential 0.050. At 12 lb: RG 2.597, differential 0.040.

How does the Brunswick Melee Low RG Core compare with my ball?

Type the ball you throw into the Compare with your ball box on this page. It shows the RG and differential side by side and saves your bag for every core page.

Sources and method

Specs. Brunswick published specs, as shown on BowlersMart’s original Brunswick Melee Low RG core page (2022), as published by the manufacturer.

Baseline. The baseline is 212 in-stock, published reactive and urethane balls. Plastic and polyester covers, 2-piece, 3-piece and pancake cores, missing covers and missing RG or differential values are excluded.

Percentiles. Percentiles are the share of baseline balls with a strictly lower or higher value; ties are not counted.

Nearest cores. Nearest cores are ranked by distance on standardized 15 lb RG and differential, with the same symmetric or asymmetric shape preferred among near ties (distance bands of 0.1).

Mass bias. Mass bias is compared among asymmetric balls with numeric mass bias only.

Updated. Catalog and page updated 2026-10-17.

Next lesson

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