Lower 1/3 cowitness blacked out sights for your 509T with our milling. If you purchase with milling we will install and align them free of charge.
Dawson Precision lower 1/3 cotwitness sights for OUR Trijicon RMR/SRO optic cut. Blacked out front and rear sight set. These heights will only work with our optic cuts for lower 1/3. We do not know if they will work with other companies optic...
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