Trijicon ACOG 4x32 Dual Ill Rifle Scope Red Triangle Reticle. The reticle of the Trijicon Rifle Scope ranges out to 800 Meters for 5.56 (.223 cal). Trijicon 4 x 32mm ACOG Advanced Combat Optical Gunsights TA31A hit fast in any light. Trijicon ACOG 4 x...