LaRue Tactical QD Mount for Aimpoint CompM4/CompM4-S Medium 1.535in Black. The LT659 is the QD solution for the newest version of the US Army's M68 CCO (Close-Combat Optic). It is available in three sizes Tall Medium & Short. Like all LaRue mounts it is precision-machined out of bar-stock aluminum and matt black anodized to provide a durable non-reflective surface finish. The locking LaRue Speed Lever provides outstanding return to zero; the optic can be removed and replaced without loss of zero. Guaranteed. Assembly and adjustment only takes a few minutes then off to the range. The mount comes complete with replacement mounting screws with wrench QD adjustment wrench vial of blue Locktite and Instructions. Specifications for LaRue Tactical QD Mount for Aimpoint CompM4/CompM4-S: Manufacturer: LaRue Tactical Color: Black Red Dot Sights-Footprint: Not Applicable Optic Cut: Not Applicable Condition: New Package Contents: LaRue Tactical QD Mount for Aimpoint CompM4/CompM4-S LaRue Tactical LT659-NV: QD Mount for Aimpoint CompM4/CompM4-S Medium 1.535in Black