Hammer Web M.B Bowling Ball

(15 reviews) Write a Review
MSRP: $229.95
— You save $85.00
Frequently bought together:


Hammer Web M.B. Bowling Ball

  • Color: Dark Blue/Purple
  • Coverstock: Semtex NE Pearl
  • Weight Block: Spheroid Asymmetrical
  • Factory Finish: 500, 1000 Siaair / Crown Factory Compound
  • Flare Potential: High
  • Radius of Gyration (RG): 16lbs - 2.49; 15lbs - 2.48; 14lbs - 2.52
  • Differential (Diff): 16lbs - 0.042; 15lbs - 0.048; 14lbs - 0.047
  • Intermediate Differential (Diff): 16lbs - 0.017; 15lbs - 0.018; 14lbs - 0.018
  • Fragrance: N/A

Additional product information:

The Web series of balls has quickly become synonymous with performance and has been revered by Hammer fans.  The Web and Web Tour offered two distinctly different core numbers, producing versatility, and helps fill out any bowler’s arsenal.  The Web M.B. (Mass Bias) incorporates an elongated version of the Spheroid Core shape, creating asymmetry and more ball reaction shapes for the Web and Hammer lovers.
The Web M.B. booms on the backend, its shiny finish and easy length create a perfect match with the Black Widow 2.0.  The cover is a familiar and popular Semtex base, found on previous Black Widow balls, and is enhanced with new additives for ideal performance on medium oil. 



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Additional Information

Lane Condition:
Factory Finish:
Crown Factory Compound
Core Type:
Pearl Reactive
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15 Reviews

  • 5
    Hammer Web MD

    Posted by Ron Holt on Jun 3rd 2021

    I am an older fella, who happens to still be a power player, and the web MD allows me to open the lineup like we power players like to generate. It allows me to open up the back part of the lane maintains the ease of going through the heads. This ball is now in my number one bag

  • 5
    The WEB M.B.

    Posted by C. Miller on May 15th 2021

    The Web MB is a ball I found that gets down lane cleanly, while storing energy for that strong backend motion, and exceptional hitting power. I see this ball in play on the medium length/volume oil patterns. Looks good on you normal house shots, too. The MB is a great middle man for the Black Widow 2.0 and the Web Tour Hybrid. Needing to fill a 3 ball tote, this is it!

  • 5

    Posted by The Hammer Web MB is a perfect transition ball for when a solid or hybrid is reacting a bit too earl on Mar 22nd 2021

    The Hammer Web MB is a perfect transition ball for when a solid or hybrid is reacting a bit too early. The ball is nice when you need a ball to get through the fronts and midlane and still need a strong backend reaction. I drilled mine 55 x 4 1/2 x 35 and I was able to give myself some versatility with the ball by providing a small hand surface (2000). This is a great tournament ball to have in your bag/arsenal.

  • 5
    Web M.B.

    Posted by Joe Goldstein, Sr. on Feb 22nd 2021

    The Web line has been a proven favorite and the new Web M.B. continues that great performance. I found this gem to be very angular off the friction yet still very controllable. Also, I was impressed how easy it is to keep in front of me while closing the angles down. It does go through the pin deck well, although the best hitting power for me was up the track. So much energy saved up that carves through the pins. A must have for big wheelers and low rev players as well. Something for everyone in this gem. Get yours today!!

  • 5
    favorite of the year

    Posted by Ryne Hamblin on Jan 28th 2021

    Wow! This one is hard to get out of my hands. I love the motion this ball gives me drilled 50x4.5x30. It has easy length down lane, hard to describe in words what it does for me off the spot, but its not snappy but it comes off the spot hard and has great continuation through the pins. Ive drilled quite a few of these for people with all kinds of styles and rev rates and speed and it has been a big hit for all. This one I never leave home when I go. One of my favorite balls of the last couple years.

  • 4
    Love the Core

    Posted by Tim on Jan 13th 2021

    When I first read the numbers on this one I was over the moon. This ball reminds me of how we used to drill a big symmetrical core with a weight hole. With the USBC taking weight holes away from us, this ball is a must in everyone’s bag. The cover helps this ball make the corner like all Hammer lovers like to see. Slight surface changes helps this ball go from house shot hero to sport shot scorer. Don’t miss out on this one.

  • 4
    Hammer Web MB

    Posted by Bob Newman on Jan 11th 2021

    Hammer has taken my favorite core and made a very dynamic reacting bowling ball. It has a true skid/flip reaction with this pearl cover stock. I mean it really dives through the pins when it sees friction. It has an extremely hard hitting shape that gives me some awesome looking strikes. Get it on the right condition and I could see some really big scores with this one.

  • 5
    Excellent benchmark pearl for me

    Posted by Scott Crawford on Dec 21st 2020

    The Hammer Web M.B. is an excellent benchmark pearl. Mine is drilled 55 x 3.75 x 20 which has pretty good length but still reads the mid-lane some and has good backend reaction and continuation through the pins, but it’s not real flippy. Very controllable and reliable reaction. The hit and carry is big and this will be the first ball out of my bag often on house shots and medium to slightly oily patterns and allows me to play comfortably in the track area and stick with this ball even as I go left a good bit too before going to something more skid / flip. The Web series is great and this is an excellent asymmetric addition.

  • 5
    Hammer MB

    Posted by Joseph Petrovich on Dec 12th 2020

    The Web M.B. (Mass Bias) booms on the backend, its shiny finish and easy length create a perfect match with the Black Widow 2.0.

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