Trijicon 34mm Rifle Scope Trijicon Colt Knob Mount Black. The Trijicon Ascent gives you durability you can trust along with fast intuitive reticles and the premium glass you expect from Trijicon. You can elevate your skill set with a price point that lets you invest in more range time than ever. Specifications for Trijicon Rifle Scope Colt Knob Mount: Manufacturer: Trijicon Condition: New Objective Lens Diameter: 34 mm Package Contents: Trijicon Rifle Scope Colt Knob Mount 1 - Mount 2 - Mount Screws 8 - Ring Cap Screws Trijicon AC22036: 34mm Rifle Scope Trijicon Colt Knob Mount Black