I'm wanting to stretch out the distances that I shoot my steel plates at so I picked up a Raptor Engineering mount and a Holosun 507C. The mount and dot went on without any issues and sight in was a breeze. I know some members here have had issues with the 507C, but PSA had them on sale recently for $220 so I went with it. The circle/dot configuration, and the dot's smaller 2moa size, seems to be perfect for what I'm doing.....finger's crossed it holds up!
Here's what she looks like now:
Here's what she looks like now: