Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Questions & Answers
for the small rear aperture, what is the aiming point? is it the middle of the opening or top point of it? I have the regular sized di optic. Expert Answer

Please email us at techsales@opticsplanet.com regarding your question.

by Hunter, Gear Expert, January 18, 2023
Can this and the other troy front sight co-witness with a meprolight foresight optic ? Expert Answer

You will be able to co-witness the Meprolight MEPRO Foresight Red Dot Sight with the Troy Folding Front Sight. However, depending on where the Meprolight MEPRO Foresight Red Dot Sight is mounted on the receiver it may not fit the Troy Di-Optic Aperture (DOA) Rear Folding BattleSight.

by Hunter, Gear Expert, May 5, 2022
Customer Reviews
Helpful Positive Review
Wanted to try this aperture configuration, now wishing I had gotten the standard round aperture. It will work OK but my vision isn't what it once was and centering the front post is more difficult for me than using round apertures. Not Troy's fault m...
Read More...
3/4 found this helpful
Helpful Positive Review
I am able to squire target sight much easier now, i have this paired with the Troy HK style front sight, and I am able to line up the white lines and aquire target at a much faster rate, it is very clear to see, I haven't done any night practice, so ...
Read More...
1/1 found this helpful
Helpful Positive Review
Just what I was hopefull for by Bigbad, Verified Owner, March 7, 2022
Love them fast east target finding. Lock up great and easy flip up wish was assist flip up but stil great how is. Took less then 1 min to place sight on my ar15. Will for sure look into more troy in future.
1/2 found this helpful
Helpful Positive Review
Best rear sight out there by Awesome, September 11, 2017
Awesome addition to any weapon. Fast targeting for cqb and precise aiming for longer shots with excellent sight picture A must have for a duty rifle. Will cowitness with a rifle optic no problem. Low profile when not in use.
5/5 found this helpful
Helpful Positive Review
Great BUIS by Legacy Reviewer, Verified Owner, May 24, 2012
Great back up iron sight. I love the DOA sight picture. You can see its a quality part. I installed it on my patrol rifle - a Colt LE6920 - and feel very confident with it. I had heard some complaints that the DOA design gives a lot of " real estate ...
Read More...
1/1 found this helpful
Helpful Positive Review
Well made flip up site by Legacy Reviewer, Verified Owner, January 28, 2013
Solid flip up sight, perfect for an AR15 carbine with standard front sight Pros: Solid design Cons: None
1/1 found this helpful
Read All 16 Reviews
In Stock
2 Models Available
Color
All
Sight Position
All
Rear Sight Color
All
Front Blade Height
All
Search

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Troy Dioptic Apeture DOA Top Mounted Deployable Rear Sight

Troy Rear Di-Optic Aperture (DOA) Folding BattleSight is on sale and available from our online store. We are an Authorized US Distributor for Troy Weapon Accessories.image

Advanced design, superior sighting and battle-ready toughness define the Troy Di-Optic Aperture (DOA) Folding Rear BattleSight. These sights provide lightning fast target acquisition and are manufactured to exceed military specs. The optically engineered apertures center your eyes instantly and effortlessly providing a clearer target picture than with round apertures.

The sights feature two settings, one for up to 300 meters and a second for up to 500 meters. This versatility makes the DOA ideal for military, law enforcement and home defense applications. These advanced sights have been extensively field-tested and, like all Troy Industries products, are Battle Ready.

Note: Sight is designed to work on same plane rail systems only. Will not work with a railed gasblock that is higher or lower than the receiver.

Specifications for Troy Dioptic Apeture DOA Top Mounted Deployable Rear Sight:

Manufacturer: Troy
Additional Features: Dual Aperture
Condition: New
Gun Make: AR Platform
Front Sight Color: REAR SIGHT ONLY
Front Post Shape: Post
Front Material: Aluminum
Rear Blade Height: 1.36 in
Front Blade Height: 1.36
Illumination Type: Non-Illuminated
Gun Type: Rifle
Included Accessories: Rear Sight
Illumination Color: None
Hand: Ambidextrous

Features of Troy Rear Di Optic Aperture (DOA) Folding Battle Sight:

  • Faster target acquisition with Di-Optic Aperture
  • Increases accuracy to 550m
  • Quick install, easy adjust
  • 0.460" profile when folded
  • Protected adjustment wheel
  • Dual same plane aperture .50 MOA per click
  • Aircraft aluminum 6061 & stainless steel
  • Type III hard coat w/ black oxide or Flat Dark Earth finish

Package Contents:

  • Troy Rear Di-Optic Aperture (DOA) Folding Battle Sight

Troy Dioptic Apeture DOA Top Mounted Deployable Rear Sight Orderable Models

List of Orderable Models

  • Troy Di-Optic Aperture DOA Rear Folding Battle Sight - Flat Dark Earth , MPN: SSIG-DOA-RFFT-00 , UPC: 812699011249 , Code: OY-IRN-DOABATTLE-SSIG-DOA-RFFT-00
  • Troy Dioptic Apeture DOA Top Mounted Deployable Rear Sight, Black, SSIG-DOA-RFBT-00 , MPN: SSIG-DOA-RFBT-00 , UPC: 812699011232 , Code: OY-IRN-DOABATTLE-SSIG-DOA-RFBT-00
Compare (0)