*Update* - $150 Shipped - for 2x Pair - Polymer BUIS Iron Sights - Multiple Pairs - Magpul MBUS, BT APC

Have 2 pairs of polymer BUIS:

1. Magpul MBUS Gen 2 - Black
2. BT APC - off a BT APC308 (exact same function as MBUS Gen 3; higher end - Swiss B&T product)

$150 shipped for two pair.

Save some cash from new (~$150+ CAD new for each).