It's not the best price I've ever seen, but I've been looking to buy some for a while. $68 for a set of FDE or $78 for Black at Botach.
https://botach.com/magpul-mag247-fde-mbus-front-sights-tan/
https://botach.com/magpul-mag248-fde-mbus-rear-sights-tan/
https://botach.com/magpul-mag247-fde-mbus-front-sights-tan/
https://botach.com/magpul-mag248-fde-mbus-rear-sights-tan/