I would say that upwards of 95% of the adult softball played around here is with the DeBeers Clincher F12. I still see a lot of metal. It's almost a waste of money to swing a composite bat.
I play in a couple leagues(modified and slow pitch) that use Clinchers. Lots of Yellow Catalyst and Zs. A few metals, but not as many as you would think.
I break out the aluminum for these leagues.
I love this too. I have a red EST that I pull out every once in a while when the shaved bat talk starts. Guys shut up real fast when they see a ball go further with a red EST than they can hit with their composites.
The .52 balls definitely make the bat you use less relevant. I'm not saying I'd go to the plate with a Hammer, but a good metal bat will hit .52s nearly as well as a composite.
I have the Red XEST, used to be banned by ASA, not sure if it still is and a 1990 29oz Silver Carl Rose. I use the XEST when I play ASA, sometimes. Nobody every questions the bat and it has pretty good pop, just a smaller sweet spot. Both bats are still very round with just a few waves. Nothing better than the feedback you get from a perfect hit from a metal bat.:biggthumpup:
I wish there were more Metal only leagues.