APEX Optic Mount for Glock MOS Pistols – Aimpoint Acro / Steiner 102189UPC: 854751007838Product OverviewThe APEX Optic Mount is engineered specifically for Glock MOS‑compatible pistols, delivering a rock‑solid platform for the Aimpoint Acro and the Steiner 102189 reflex sights. Crafted from high‑strength aerospace aluminum alloy, this mount offers unmatched durability while maintaining a lightweight profile—perfect for competition shooters, law‑enforcement personnel, and tactical enthusiasts seeking a reliable sight‑integration solution.Designed to meet the rigorous standards of Glock’s Modular Optic System (MOS), this mount provides a seamless, zero‑loss installation that preserves the factory‑approved sight alignment and retains the pistol’s balance.Key Features & BenefitsPrecision‑Engineered Fit: CNC‑machined tolerances guarantee a perfect match to Glock MOS slide dimensions for models ranging from 17 mm to 19 mm slide thickness.Universal Compatibility: Fully compatible with Aimpoint Acro, Steiner 102189, and other MOS‑approved reflex sights.Robust Construction: Aerospace‑grade 7075‑T6 aluminum provides superior strength-to-weight ratio and corrosion resistance.Tool‑Free Installation: Install the mount in under five minutes with no additional tools required—just slide the mount into the MOS cutout and secure with the included set‑screw.Zero‑Shift Zero Retention: Maintains factory‑issued sight zero after installation, eliminating the need for re‑zeroing.Low Profile Design: Minimal added height preserves the pistol’s handling characteristics and concealability.Enhanced Durability: Reinforced mounting points resist wear from repeated removals and high‑impact impacts.Secure Locking Mechanism: Integrated set‑screw with anti‑vibration thread lock ensures the mount stays firmly in place under extreme recoil.Technical SpecificationsMaterial7075‑T6 aerospace aluminumFinishHard‑coat anodized black (RLA‑2)Weight0.38 lb (172 g)Dimensions (L × W × H)1.42 in × 0.84 in × 0.22 in (36 mm × 21 mm × 5.5 mm)CompatibilityGlock 17, 19, 26, 34, 45, and any MOS‑equipped modelSupported OpticsAimpoint Acro, Steiner 102189, and other MOS‑compatible reflex sightsInstallationTool‑free slide‑in, set‑screw lockUPC854751007838Simple Installation ProcessVerify that your Glock slide has the MOS cutout (factory or aftermarket).Align the APEX Optic Mount with the MOS cavity, ensuring the mounting rails sit flush against the slide.Slide the mount gently into place; you will feel a click as the mount seats securely.Insert the included set‑screw through the pre‑drilled hole and tighten until snug—no torque wrench required.Mount your Aimpoint Acro or Steiner 102189 optic onto the APEX platform using the supplied mounting hardware.Confirm proper sight alignment and perform a functional test fire to ensure zero retention.All steps are designed to be completed without specialized tools, allowing you to transition from holster to range in seconds.Ideal ApplicationsWhether you are a competitive shooter seeking faster target acquisition, a law‑enforcement officer requiring a reliable tactical sight, or a civilian defender looking to enhance your defensive pistol, the APEX Optic Mount delivers the performance and confidence you need.IPSC and USPSA competitionHome defense and personal protectionDuty use for police and security forcesRecreational shooting and trainingWhy Choose APEX?APEX is a trusted name in firearm accessories, known for meticulous engineering and a dedication to quality. Our optic mounts are backed by a lifetime warranty, ensuring you receive a product that stands up to the toughest conditions. When you choose the APEX Optic Mount, you are investing in a solution that maximizes the performance of both your Glock MOS pistol and your chosen optic.