ACOG BAC 4X32 300BLK CRSHR RED TA31-C-100411 | TA51 MOUNT Manufacturer Model Number: TA31-C-100411 Manufacturer: Trijicon Model: ACOG Caliber: 300 AAC Blackout Type: Accessory-Scopes Item Type: Optic Finish: Black Overall Length: 5.8" Weight: 9.9 oz. w/o mount Shipping Weight: 2.2 Feature: TA51 Flattop Mounting Adapter Feature: BAC - Bindon Aiming Concept Feature: Ill. w/Fiber Optics & Tritium Optic Magnification: 4X Objective Size: 32mm Optic Adjustable Objective: false Optic Adjustments: 1/2" MOA Optic Reticle: Dual Illum. Red Crosshair Optic Reticle Illuminated: true