I have an SB ULTRA SHORT 3-20 PMII LP P4FL-MOA 1/4 MOA CCW DT85 MTC
2700 SHIPPED with ARC M10 rings
mounted in arc m10 rings shot 30 rounds
noticed on lowest power a fleck of debree .. sent back to SB full detail inside and out and returned with clean bill of health!!! no scratches dings dents...