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Questions & Answers
Will it also fit the HE509-RD-ACSS-RMR footprint? I heard that either this or that one are shorter than the other, but maybe it still might fit? Expert Answer

This Reptilia DOT Mount is compatible with the Holosun Technologies – HS509T, and the Holosun/Primary Arms – HE509-RD ACSS Vulcan Reticle.

by Ethan, Gear Expert, September 9, 2022
Customer Reviews
Helpful Positive Review Reptilia 509t/SCRS mount by Rich, Verified Owner, February 2, 2024
The mount itself is great quality as always from Reptilia. The fit for the 509t is perfect. Unfortunately if you’re trying to use the mount for the SCRS you may run into issues. The one I got the fit was loose because Holosun changed their mounting p...
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2/2 found this helpful
Helpful Negative Review Fits 509T ideally, Holosun SCRS so so... by Al, Verified Owner, November 18, 2023
I bought this for my Holosun SCRS because they share the same 509T footprint. Being that the SCRS is a bit shorter in body, there is overhang with this mount. Maybe a quarter inch in front and eighth inch in the back. It looks OK but it would be nice...
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1/3 found this helpful
Most Recent Reviews Clean, rigid, and my Holosun SCRS fit perfectly. by TswissT, Verified Owner, May 21, 2025
Reptilia absolutely nailed it with the DOT Mount. Though designed for the Holosun 509T, it turns out to be a perfect fit for the SCRS as well — the footprint is tight, solid, and the overall profile just works beautifully. The machining is top-tier ...
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Read All 3 Reviews
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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 Reptilia DOT Mount for Holosun HE509T

The 1.93 DOT Mount for Holosun HE509T by Reptilia is a lightweight, slim-line mounting solution for a variety of red dot optics.  Machined from billet 7075-T6 aluminum with Milspec Type III hard anodized finish, the 1.93 DOT Mount attaches to any M1913 Picatinny rail to place the optical axis at 1.93 inches above the rail.  Its spring-loaded nitrided steel clamp and mounting bolt simplify the installation process, and sit flush with the body of the mount for a low-profile, anti-snag design.image

Compatible with:

Holosun Technologies –  HS509T

Holosun/Primary Arms – HE509-RD ACSS Vulcan Reticle

Like all Reptilia products, the DOT Mount carries a full lifetime warranty against manufacturer defects.

Specifications for Reptilia DOT Mount for Holosun HE509T:

Manufacturer: Reptilia
Finish: Anodized
Gun Make: AR Platform
Gun Model: AR-15
Fabric/Material: Nitrided 4140 steel Clamp, Type III hardcoat 7075 aluminum
Co-Witness: Lower 1/3
Height: 1.93 in
Weight: 57 g
Condition: New
Gun Rail: Picatinny
Country of Origin: USA

Package Contents:

  • Reptilia DOT Mount for Holosun HE509T
  • Mounting Screws
  • Hex L-Key

Reptilia DOT Mount for Holosun HE509T Orderable Models

List of Orderable Models

Reptilia DOT Mount for Holosun HE509T, Black, 1.93in, 100-167 , MPN: 100-167 , UPC: 850002688511 , Code: 3Q1-RMT-DOTMH-100-167
Reptilia DOT Mount for Holosun HE509T, Flat Dark Earth, 1.93in, 100-168 , MPN: 100-168 , UPC: 850022282249 , Code: 3Q1-RMT-DOTMH-100-168

Reptilia DOT Mount for Holosun HE509T Unavailable & Discontinued Models

List of Unorderable Models

USED, Reptilia DOT Mount for Holosun HE509T, Black, 1.93in, 100-167 , MPN: 100-167-EDEMO , Code: 3Q1-RMT-DOTMH-100-167-EDEMO-RE-C
USED Reptilia DOT Mount for Holosun HE509T, Black, 1.93in, 100-167, EDEMO2, Used, Condition Fair , MPN: 100-167-EDEMO2 , Code: 3Q1-RMT-DOTMH-100-167-EDEMO2
USED, Reptilia DOT Mount for Holosun HE509T, Black, 1.93in, 100-167 , MPN: 100-167-EDEMO , Code: 3Q1-RMT-DOTMH-100-167-EDEMO-OT-U
USED Reptilia DOT Mount for Holosun HE509T, Black, 1.93in, 100-167, EDEMO3, Used, Condition Fair , MPN: 100-167-EDEMO3 , Code: 3Q1-RMT-DOTMH-100-167-EDEMO3
USED Reptilia DOT Mount for Holosun HE509T, Flat Dark Earth, 1.93in, 100-168, EDEMO1, Used, Condition Like New, Inspect and Rebox , MPN: 100-168-EDEMO1 , Code: 3Q1-RMT-DOTMH-100-168-EDEMO-RE-A
Reptilia DOT Mount 1.93in Height for Holosun 509T, Type III Hardcoat Anodized, Clear Anodized, NSN 1005-01-674-6542, 100-169 , MPN: 100-169 , UPC: 850022282256 , Code: 3Q1-RMT-DOTMH-100-169
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