My "Second Purchase" and once again Steve was fabulous in taking all the time needed to answer all my questions and help guide me to a great Red Dot. We decided on the 508T for my Off Set Mount on my AR, and it is just perfect. I can't believe in how much they care about their customers. Thanks again ,Ed OBrien

Fit perfect into my shadow systems dr920

Item as described, pre-treated with lock tight. Used the shorter screws to install a 508T on an Echelon.

Showed up pretty fast, definitely feel a lot better when you torque them down to spec than the factory screws that came with my optic originally.

I had purchased a Holosun 407A3 from a different vendor at great price but the included screws I felt were to short for the M&P M2.0. Purchased these screws and indeed they where longer and gave me more confidence the optic was mounted properly.