The LUTH-AR UR-21K is a complete A2 rear sight assembly kit designed for AR-15 platforms, providing all necessary components for a full rear sight installation or replacement. Built by LUTH-AR, this kit offers a reliable, mil-spec A2-style aperture sight solution for builders and gunsmiths working on AR-15 rifles.
Specifications
ManufacturerLUTH-AR
Product TypeRear Sight Assembly Kit
Weight0.3 lb
Shipping & FFL
This item ships directly from the selling dealer to your door. No FFL transfer is
required for this product.
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