F Kinetic Development Group SIDELOK MRO Mount Lower 1/3 Co-witness $142.20 SID5-220 show more like this Calculated in Cart Primary Arms F Kinetic Development Group SIDELOK Trijicon MRO Mount – Lower 1/3 Co-witness - SID5-220 $147.99 SID5-220 show more like this Calculated in Cart Classic Firearms