Unity Tactical FAST COG Series Mount Black FST-COGB Posted on June 24, 2024 by admin Unity Tactical FAST COG Series Mount Black FST-COGB. DIMENSIONS : 3.65? (L) x 1.22? (W) x 1.05? (H). WEIGHT : 2.9 oz. COATING : Type III Hardcoat Anodized. MOUNT TYPE: Rail Grabber. Trijicon ACOG / VCOG Models. Share