News that came in from Magpul... "Dear all, Magpul PTS Back-up Site (MBUS) Set will start shipping very soon. We took a long time to fine tune this new product and you will have great satisfaction with it. It is using high quality DuPont Polymer and selling in box set – Front and Real Site. PTS version MBUS will come with a key to adjust front sight pole (limited offer). We start to receive pre-order. Kindly contact your local distributor or dealer to get more information.

Regards

Magpul PTS Division"