Trijicon ACOG Rifle Scope 4X 32 Green Horseshoe Dark Earth With TA51 Mount Illuminated Reticle with Tritium Front Sight Post TA31HG-DE Trijicon ACOG Rifle Scope 4X 32 Green Horseshoe Dark Earth With TA51 Mount Illuminated Reticle with Tritium Front Sight Post TA31HG-DE