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
Government Export Restriction Government Export Restriction
Questions & Answers
Will this mount to my Canik TP9SFX

So long as you have the RMR plate for it

by 11BGrunt, Verified Owner, January 27, 2021
Is this version 2? Expert Answer

No, this is the First version.

by Patrick, Gear Expert, October 2, 2021
Customer Reviews
Helpful Positive Review
GREAT PISTOL RDS by GEC, Verified Owner, April 10, 2023
No complaints about this optic so far - it's been through numerous training courses and sits on my EDC gun. Love the shake awake feature as well as the solar back up and not having to take the optic off to replace batteries is great. The reticle is ...
Read More...
2/3 found this helpful
Helpful Positive Review
508T Good To Go by Pointman556, August 16, 2023
Mine has been a solid performer. Mounted on a Glock 19x with Zev Technologies RmR cut slide. Have shot thousands of rounds with it. Even was carrying it in my motorcycle vest during a 60mph crash and my Glock flew out of my vest and landed on the si...
Read More...
2/2 found this helpful
Helpful Positive Review
Be aware that this does not come with a mount by John, Verified Owner, April 4, 2021
Was disappointed that this did not come with a mount. I assumed that a piccatany rail mount was included as pictured, but failed to read description about mount not included as described. To help others make a decision, leaving that here. If you a...
Read More...
13/26 found this helpful
Helpful Positive Review
Rugged, precise, and high value by enabler00t, Verified Owner, October 30, 2023
In the world of pistol-mounted red dots, the Holoson 508T stands out with it's tough and durable titanium outer body, it's solar powered option, and multiple reticle options to give the user a personalized experience. These are high value products f...
Read More...
2/2 found this helpful
Helpful Positive Review
Very easy to pick up the reticle on this site. Clear and bright enough for full sun. Dims down enough to use with NODs. Easy to adjust and zero. Also looks better than other brands in my opinion. Have it on my Walther PDP SD Pro
3/3 found this helpful
Helpful Positive Review
2nd Time is the Charm by gk, Verified Owner, April 16, 2024
Initial unit was DOA. RMA & replacement process was relatively painless. I have several Holosun red dots & this is the first one not to work out of the box. Clarity of the glass is very good and crispness of dot/circle is better than I expected. ...
Read More...
1/1 found this helpful
Read All 40 Reviews
Color: Black Reticle: 2 MOA Dot, 32 MOA Circle Illumination Color: Red Additional Features: Mount Not Included Condition: New Quantity: 1 Red Dot Sights-Footprint: RMR

Code: 28Y-RD-HOL208-HE508T-X2

MPN: HE508T-RD X2

UPC: 810047071242

List: $435.28Save 15%
$369.99

Product Info for Holosun HE508T-RD-X2 2x 0.63 x 0.91 in Reflex Red Dot Sights

The HE508T-RD X2 is housed in rugged titanium and built with some of the best technology Holosun has to offer. With multiple reticle options and brightness settings, these Red Dot Sights put customization right into your hands, and there are 2 settings for night vision-compatibility. This Holosun pistol sight has parallax-free views and unlimited eye relief for extra comfort during extended shooting sessions. Plus, the multi-coated lenses produce a clear, bright sight picture in nearly any environment.image

This Holosun HE508T X2 provides up to 50,000 of battery life thanks to Shake Awake technology that only activates the red circle/dot reticle when needed, and the Solar Failsafe provides a reliable aiming point in case your battery runs out in the field. Designed to perform and built to last, this red dot handgun sight is perfect for tactical operators, home-defense preppers, and anyone who wants to improve their timing and precision with their pistol. Grab yours today to experience a true upgrade in optics.

Mount Not Included

Specifications for Holosun HE508T-RD-X2 2x 0.63 x 0.91 in Reflex Red Dot Sights:

Manufacturer: Holosun
Color: Black
Finish: Anodized
Fabric/Material: 7075-T6 Aluminum
Magnification: 1 x
Objective Lens Diameter: 0.63 - 0.91 in
Objective Window Size: 0.63x0.91 in
Reticle: 2 MOA Dot, 32 MOA Circle
Illumination Type: LED
Illumination Color: Red
Brightness Settings: 10
Eye Relief: Unlimited
Adjustment Type: MOA
Adjustment Click Value: 1 MOA
Emitter Type: Open
Parallax: No Parallax Adjustment
Optical Coating: Multicoated
Battery Type: CR1632
Battery Quantity: 1
Battery Life: 50,000 hours
Operating Temperature: -30 - 60 Celsius
Water Resistance Level: IP67
Weight: 2 oz
Additional Features: Mount Not Included
Condition: New
Magnification Type: Fixed
Quantity: 1
Red Dot Sights-Footprint: RMR
Wavelength: 650 nm
W/E Travel at 100 Yds: 50 MOA
Storage Temperature: -40 - 70 Celsius

Features of Holosun HE508T-RD-X2 2x 0.63 x 0.91 in Reflex Red Dot Sights:

  • Solar Failsafe
  • Shake Awake
  • Mulltiple Reticle System
  • Super LED
  • Multilayer Reflective Glass
  • Titanium Housing

Package Contents:

  • Holosun HE508T-RD-X2 2x 0.63 x 0.91 in Reflex Red Dot Sights
  • T10 L Key
  • User Manual
  • Lens Cloth

Holosun HE508T-RD-X2 2x 0.63 x 0.91 in Reflex Red Dot Sights Orderable Models

List of Orderable Models

  • Holosun HE508T-RD-X2 Reflex Red Dot Sight, 2x 0.63 x 0.91 in, 2 MOA Dot & 32 MOA Circle, Black, HE508T-X2 , MPN: HE508T-RD X2 , UPC: 810047071242 , Code: 28Y-RD-HOL208-HE508T-X2

Holosun HE508T-RD-X2 2x 0.63 x 0.91 in Reflex Red Dot Sights Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, Holosun HE508T-RD-X2 Reflex Red Dot Sight, 2x 0.63 x 0.91 in, 2 MOA Dot & 32MOA Circle, Black, HE508T-X2 , MPN: HE508T-X2-DEMO , Code: 28Y-RD-HOL208-HE508T-X2-DEMO
Compare (0)