I have a set of those mirrors. $310 would be a fantastic value!
For those asking they have the ability to:
Upper/Lower heated mirror
Turn signal/marker light
Swappable upper cap with included chrome or PTM cap
The only thing they do not do is power fold or extend.
2016 F150 Lariat Screw 4X4 5.0 Coyote V8 Blue Jean Metallic Two Tone Ford VCM II IDS Clone Custom Y-Pipe FabricationDASHBOSS