ACOG 4X32 A4 USMC RCO CHEV RED TA31RCO-A4CP | TA51 MOUNT Manufacturer Model Number: TA31RCO-A4CP Manufacturer: Trijicon Model: ACOG USMC Rifle Combat Optic Caliber: 223 Rem | 5.56 NATO Type: Accessory-Scopes Item Type: Optic Finish: Black Overall Length: 6.7" w/Anti-Reflection Device Weight: 15.8 oz w/Mount & ARD Shipping Weight: 2.25 Feature: Flattop/Carry Handle Mounts Feature: Anti-Reflection Device Feature: USMC RCO for A4 (20" Barrel) Optic Magnification: 4X Objective Size: 32mm Optic Adjustable Objective: false Optic Adjustments: 1/2" MOA Optic Reticle: Dual Illum. Red Chevron Optic Reticle Illuminated: true