Troy DOARFBT00 Battle Sight Folding Rear DOA AR-15 Aluminum Black

Troy DOARFBT00 Battle Sight Folding Rear DOA AR-15 Aluminum Black. Troy Industries DOARFBT00 folding rear battle sight featuring Dioptic Aperture (DOA), folding design, machined from hardened aircraft aluminum and Mil-Spec hardcoat anodizing. Positioned at factory height for a continuous zero and folds to a profile of 0.460 inches. The DOA aperture is designed for fast target acquisition with two settings for up to 300 meters and up to 500 meters. Anodized black finish for AR-15 platforms.