This guide details the process of transforming a standard Glock into a COA Glock by installing an Aimpoint COA red dot optic. It covers GlockStore's specialized milling service, the unique mounting system of the COA optic which is secured by a specialized rear sight, and the installation of compatible front sights. The process requires sending the slide for milling and involves careful installation of the rear sight and front sight to ensure proper function and co-witness.
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