TRIJICON COMP ACOG M16 BASE FT ADPTR

Trijicon ACOG Adapter, For Flattop, Compact, Matte Finish TA60 Fits the 1.5x16S (M16 base)" 1.5x24" 2x20" 3x24" and 3x30 ACOG models. This thumbscrew flattop mount clamps onto 1913 Picatinny rails.