LaRue Tactical LT839 Tijicon MRO Mini Red Dot Rifle Scope QD Mount Allowing 1/3 Co-witness with the Iron Sights on Flattops LaRue Speed Lever provides outstanding return to zero; the optic can be removed, and replaced, without loss of zero. Precision-machined out of bar stock aluminum and matte black anodized to provide a durable non-reflective surface finish Comes complete with replacement mounting screws with wrench, QD adjustment wrench, vial of blue Locktite and Instructions Made in the USA