Trijicon 100553 ACOG ECOS Combo Flat Dark Earth 4x32mm Illuminated Red Crosshair .223 BDC Reticle CAT-18 Switch Type: Head Mounted Rotary

Switch Type: Head Mounted Rotary Knob

Sounds: Clucks/Purrs/Tree Talk

Includes: Brass Polish/Media

Muzzle Energy: 2849 ft lbs

Mount Type: KeyMod

Trijicon 100553 ACOG ECOS Combo Flat Dark Earth 4x32mm Illuminated Red Crosshair .223 BDC Reticle CAT-18 Switch Type: Head Mounted RotaryMagnification: 4x Objective: 32mm Field of View: 36. 80 ft @ 100 yds Eye Relief: 1. 50" Tube Diameter: N A Length: 6. 20" Weight: 15 oz Reticle: Illuminated Red Crosshair . 223 BDC Parallax Adjustment: Dual Illuminated Red Crosshair 223 Exit Pupil Range: N A Proofs: Fog Shock Water Resistant Coating Type: Water Resistant, Fog Resistant, Shock Resistant Optic Coating: Multi Coated Optic Coating: Multi Coated