The Geissele Super Precision ACOG Black Scope Mount 05-403B was developed specifically to work with the Trijicon 4x power ACOG series of optics, built to give that combat-proven optic a mounting platform worthy of it. Like the rest of the Super Precision line, it's precision machined from a single piece of 7075-T6 high strength aluminum rather than pieced together, which is what gives it its rigidity and consistent return to zero. This Trijicon ACOG mount clamps down using Geissele's take on the classic nut and bolt method, the same approach that's proven itself far more secure than lever-style mounts over years of hard use. Here it generates 2,800 pounds of clamping force, an enormous margin that keeps the ACOG locked in place through recoil, rough handling, and repeated mounting and dismounting. Four shear lugs add further rigidity, so the optic holds its zero even after being pulled and reinstalled between rifles. As a Geissele ACOG mount, it's finished in black type 3 hard coat anodize, with Geissele's proprietary DDC (Desert Dirt Color) hard coat anodize also available for shooters who want their setup to match a specific build. This Geissele Super Precision Mount exists for one reason: to give the ACOG a base as reliable as the optic itself, so shooters running this combination don't have to think twice about whether their zero will hold when it counts. For anyone building around a Geissele Super Precision ACOG mount, this is the piece that ties the whole optic system together. Key Features Purpose-built for the Trijicon 4x power ACOG series Machined from a single piece of 7075-T6 aluminum Nut and bolt clamping delivers 2,800 lbs of clamping force 4 shear lugs for maximum rigidity and return to zero Available in black type 3 hard coat anodize Also available in Geissele's proprietary DDC finish Withstands repeated removal and reinstallation without losing zero Built to match the durability of the ACOG it carries Geissele Automatics Geissele Super Precision ACOG Black Scope Mount for Trijicon 4X ACOG Optics 05-403B