Stopped in @ Home Depot and picked up one of Kreg’s Accu-Cut jigs for the circular saw, it was not what I expected.
The Accu-Cut it didn’t clamp down, wasn’t very secure and had way too much play while it was in the track. I’d say at least 1/32 to 1/16 Inch. It also didn’t attach to the saw very well and the setup instructions were very hard to follow. OK, I did have a beer so maybe that didn’t help much in the instruction following part.
I’ve decided to try and take it back to HD tomorrow, because this thing does suck big-time.