SIDELOK – Aimpoint Micro Mount – Lower 1/3 Co-WitnessSIDELOK is an innovative Quick Detach (QD) mounting system for optics. It eliminates the need for tools, levers and oversized knobs, offering a simple push button design for securely mounting any optic to a picatinny rail. The SIDELOK system guarantees to maintain zero and ensures continuous return to zero when remounted in the same position as when the optic was zeroed. With an additional safety feature to prevent unintentional movement or detachment