Any one have experience with these - is the rig work the $4-500 price tag?

No experience and not sure if it's worth it. But what you can do is to find and price individual items and then you'll see which route will be less expensive.

Plenty of kydex and leather gurus out there to choose from and you can just buy what you like and then put it on your belt. I assume that you will stay below $455 + shipping.

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Jorge