I called Sig directly and asked about this. This is nothing more than Tower not carrying Sig's products. Sig is still in business and is producing kits as always. They are currently waiting for shipments of their ARF form oversears though.

This same thing happened about 10 years ago. It was nothing more than corporate heads butting against each other. That last time it happened was because Sig's pricing didn't suit Tower. It's probably the same thing this time as well.

Ken