View Full Version : Troy micros BUIS

11-25-2011, 8:12 AM
Can I use the Micros or the standard troy BUIS for my zk upper? Troy has a sale going on for black friday and I dont want to order the wrong one. I need to cowitness with an aimpoint.

11-25-2011, 9:45 AM
I would like to know the same thing. But with a spikes upper...