Magpul posted at their Facebook Page that the new MBUS Pro Sights will be soon be in stock at distributors and resellers... "MBUS Pro Front and Rear Steel Folding Back-Up Sights are now shipping to Dealers and Distributors! Melonite Finished All-Steel Construction, Tool-less Adjustment, Ultra Low Profile when folded and standard A2 Sight height when deployed."

"MBUS Pro - Magpul Back-Up Sight – Front

MBUS Pro - Magpul Back-Up Sight – Rear