Bowler Ratings


Bowler ratings are from 1 to 10 in order of Stroker (ST), Tweener (TW), Cranker (CR)

Note: Ratings are only available to our premium members.

General Info

Reviewed:July 2011
Coverstock Specs
Name:MP Gen 4C
Type:Reactive Pearl
Box Finish:800 / 1000 / 2000 / 4000 Abralon / Powerhouse Factory Finish Polish
Color:Purple / Blue / White
Core Specs
Int. Diff:0.003

For details on our standard test layouts, please click here.

The 503C marks the return of a “C” ball to the 500 series of Track bowling balls. This one has a few differences. The name tells us that the 503C has a different core from the 505 balls of the last few years. The new Pakman core has a lower intermediate differential, but a higher RG and differential than the Shuttle core that was used in all of the 505s. The 503C also has a new veneer called MP Gen 4C.

The new core, surrounded by this new shell, gave us a wonderful benchmark type reaction on our medium test pattern. All three testers were able to take full advantage of the smooth, controllable transitions the ball made rolling down the

Track 503C Comparisons

Click below to see a comparison table of each pair of bowling balls shown:

To compare the Track 503C to any other bowling ball(s), please use our Bowling Ball Comparison tool.

The BTM Ball Testing Team

About The BTM Ball Testing Team

The BTM Ball Testing Team is led by Eric Martinez. Our team of three testers has thrown and reviewed hundreds of bowling balls for Bowling This Month. When not testing balls for BTM, Eric owns and operates University Pro Shop in San Antonio, TX and he is an avid competitive bowler. Click here to learn more about how we test and review bowling balls.