407/507K Adapter for MOSDescription CNC machined steel adapter designed to work with Glock designed MOS footprint. The product is anodized in a black matte coating and fitted with a dedicated interface for mounting Holosun HE407 and HE507K red dot sight. Solid construction and simple design guarantee easy installation and exceptional zero retention for shooting precision and accuracy. Details Weight: 27 g Shipping weight: 42 g Holosun Established in 2013, Holosun goal is to
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