Don't waste your money. Choke tube marketing hype is just that. Marketing hype.
Neil Winston tested a Briley Helix choke against a standard Briley choke with the same constriction, and they patterned the same.
Unless the choke tubes are manufactured improperly, chokes is chokes is chokes. If you have two (or more) chokes with the same exit diameter, they're probably going to pattern nearly identically.
Here's an example:
Yesterday I went to the range and did some pattern testing. This one is of importance mostly just to me, but many of you may find it interesting. Recently I had an opportunity to purchase a Zoli Z-Trap Combo. It is a gun that I have been coveting for many years, and the chance came, so I...
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