The FAST COG Series Mount was developed to universally accept the Trijicon Combat Optical Gunsight double and triple screw interfaces. It covers both ACOG and VCOG series scopes, placing the optical centerline at 2.05″ above the rail. These scopes are heavily used by military and law enforcement entities who often wear plate carriers, helmets, headsets, and gas masks. This type of gear makes acquiring rapid sight pictures a challenge when using the factory absolute co-witness height mounts. The added height of the FAST COG Series Mount greatly increases threat engagement speed and accuracy under stress while wearing gear