49 Products in Trijicon ACOG Rifle Scopes Showing 49 of 49 products (154 models) Sort by Most Popular Show 60 Trijicon TA31RCO-A4CP ACOG 4x32 USMC Rifle Combat Optical Sight for A4 w/ TA51 Mount (26) List: $1,857.00 (Save 31%) $1,289.00 Best Rated Trijicon ACOG 4x32 ...