My rifle is a LRB with Arms #18 mount and fiberglass stock. I was using an Aimpoint PRO with a Warne steel low ring which was a great setup but I was unable to remove the bolt (for routine cleaning) due to the ring interference. I'm searching for a high quality QD mount that sits very low. I'm leaning towards the Arms #22m68 but also saw the American Defense AD-68L. The thing I'm worried about is the throw lever/assembly having enough room to clear the flat portion of the scope mount itself. Anyone have any other recommendations or experience?