Troy AR-15 Rear Sight – Folding – Di-Optic Aperture (DOA) – Optional Tritium Illumination

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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 movement
  • Precision-machined from 6061 aluminum with stainless steel components
  • Type III hard coat anodized finish for durability

The Troy Di-Optic Aperture Folding Rear Sight is engineered for rapid sight alignment and consistent accuracy under demanding conditions. Its optically designed apertures naturally center the eye, delivering a clearer sight picture and faster target acquisition than conventional rear sights. Built to exceed military specifications, the DOA rear sight is a proven solution for duty, defensive, and hard-use rifle setups.

Note: Designed for same-plane rail systems only. Not compatible with railed gas blocks that are higher or lower than the receiver. Compatible with Troy gas block front sights.

Specifications

  • Brand: Troy Industries
  • Model: Di-Optic Aperture (DOA) Folding Rear Sight
  • Sight Type: Folding rear
  • Adjustment: Windage, 0.50 MOA per click
  • Profile Height (Folded): 0.460\”
  • Material: 6061 aluminum, stainless steel
  • Finish: Type III hard coat anodized
  • Rail Type: Same-plane Picatinny

Available Variants

  • Tritium Illumination
    • Integrated tritium insert for low-light and no-light visibility
    • MPN: SSIG-FBS-TTBT-00
  • No Tritium
    • Standard non-illuminated aperture
    • MPN: SSIG-DOA-RFBT-00

What’s Included

  • 1x Troy DOA Folding Rear Sight (variant selected)

Products available on this page:

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Troy Warranty

If your product is in need of warranty service, please contact Troy for more information to start the process.

Return Warranty of Defective Products:

  • All Troy products are manufactured in the USA using the finest quality materials.
  • All Troy products are warranted against defects in material and workmanship.
  • Troy will repair or replace a defective product (or part/component).
  • This warranty is limited to repair or replacement of the defective product, part, or component.
  • Troy will determine in its sole and exclusive discretion whether to repair or replace a product, part, or component.
  • Troy also reserves the right to determine the means and materials by which such repair or replacement will be made.
  • All defective product returns must be pre-authorized by Troy customer service and be accompanied by an RMA Number.
  • You must contact customer service to receive an RMA Number prior to returning any product.
  • You must have your original purchase paperwork, including your receipt or other proof of purchase, and be willing to provide these documents to Troy.
  • This warranty and return of defective goods policy applies to all purchasers, including but not limited to dealers, distributors, and retail customers.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

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