"I have the factory rear mat which tends to slide back into the hatch latch mechanism - I'm constantly pushing it forward.."
blankster, if you're talking about the black carpeted factory mat that sits in the rear cargo area....mine sits low enough to butt against the plastic lip threshold of the rear gate, securing it in it's position, zero movement! maybe you have something underneath that is keeping yours at a higher level.
2016 MKC, Reserve. White Platinum Met Tri-coat.
Leather ebony interior.
2.3L GTDI ecoboost.
6-speed select SHIFT auto trans.
20" premium painted Alum wheels.
Equipment Group 300A.
Silver rust protection.
Xzilon exterior paint protection.
Weather Tech front and rear liners ....the rest is ALL Lincoln.