Troy AR-15 Rear Sight - Folding - Di-Optic Aperture (DOA) - Optional Tritium Illumination - Tritium Night Sights (Sight Type: Tritium Night Sights)

Troy AR-15 Folding Rear Sight - Di-Optic Aperture (DOA) Features Di-Optic Aperture (DOA) design for faster target acquisition than traditional round apertures Dual same-plane aperture with settings for 300m and 500m engagement 0.50 MOA per click for precise windage adjustments Low-profile folding design with a 0.460\" height when folded Protected adjustment wheel to prevent accidental [...]