The Troy Di-Optic Folding Rear Sight with Tritium is a low-light-capable aperture sight designed for AR-15 platforms. Machined from aircraft-grade aluminum with stainless steel components and finished in black hardcoat anodize, the sight provides a durable, rail-mounted alternative to a standard A2 sight. Optically engineered apertures and tritium illumination support rapid sighting in varied lighting conditions. The flip-type design offers two aperture settings that the manufacturer specifies for ranges up to 300 meters and up to 550 meters.
Key Specifications
- Fits the AR-15 platform via a Picatinny-style mounting interface.
- Mount type is a Picatinny Rail base configuration for standard rail systems.
- Frame materials are Aircraft Grade Aluminum/Stainless Steel Components for strength and corrosion resistance.
- Finish and color are Black with Mil-Spec hardcoat anodizing referenced in product literature.
- Rear material includes Aluminum with tritium embedded for passive low-light illumination.
- Windage adjustment is specified as 0.68 MOA.
- Product is described as a Tritium Folding Rear sight in manufacturer attributes.
- Style is listed as a Folding Back Up Rear Sight (flip-type deployment).
- Model designation is Di-Optic (Di-Optic Aperture / DOA configuration).
- Intended subcategory is Long Gun Sights suitable for receiver-height rail systems.
Engineered for reliable performance and quick aperture acquisition, this Di-Optic rear sight pairs tritium illumination with a rugged, precision-machined housing. Its flip-up design and Picatinny compatibility make it a practical option for shooters seeking a durable, passive low-light sighting solution that maintains factory sight height and repeatable adjustments.
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