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Holosun HE509T 2x 0.66 x 0.9 in Reflex Red Dot Sight
As Low As $429.99 Save 15%
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Most Helpful Positive Review Improved over original
So at first I got the older version of this optic. (Non-x2). That was honestly a disappointment. Glass was pretty tinted and there was a pretty bad amount of distortion of the lense around the edges, plus a lot of glue. This version (x2) is way better and certainly worth paying a bit more. I hav...
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Most Helpful Negative Review Not very happy
My optic was garbage. Glue all around the lens preventing co-witness (supposed to be fixed in X2), 32 MOA circle had crooked crosshairs. Then usps couldn't deliver return because "no access to location", and then the packaged was lost. Wierd how they give you a return label and tell u if you want to...
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FDE HE509T Red Dot Rides Glock 19X

by LorneR301, Verified Owner from MN, United States Written on June 26, 2026
Fellow Gunslingers,

My home LE agency purchased our entire agency new Glock Model 45's and topped them with Holosun HE509T Red Dot Sights. This was some 2-years ago.

I'm a bit set in my ways with 42 years plus of LE experience. With that said, I was very reluctant to transition from steel sights to a red dot. The department required each officer to complete an 8-hour, 900 round count transition course. At the end of the course, I was a believer! I have always been a decent shooter qualifying in the low to mid 90's on steel sights. On the Holosun red dot, oh my goodness, I was shooting high 90's and 100%! I was watching agency mediocre shooters rise up to high 80's and low 90's scores!

Fast forward to today, I am about to age out with my agency and need a high capacity off-duty and armed security firearm. I chose my Glock 19X as the carry gun. I ordered the same red dot, Holosun HE509T, my agency purchased, in flat dark earth to match the 19X frame. Being the slide doesn't have the MOS cut, the slide and new Holosun were shipped to Maple Leaf Firearms in Texas for the cut and mount.

I should have my 19X back in coming weeks and looking for a new / used 19X for high capacity off-duty and armed security carry.

Optics Planet provided a heck of a deal on the Holosun with my VIP pricing!

My order was shipped in a timely and secure manner!

Thank you, Optics Planet!
Would recommend: Yes
Was it helpful to you? Yes | No

Work Great on Lever Actions.

by US Male, Verified Owner from PA, United States Written on June 19, 2026
These work great on lever action (Henry & Trappers) using FarrowTech Marlin/Henry Low Profile Red Dot Mounting Plates.
Would recommend: Yes
Was it helpful to you? Yes | No

solid red dot

by charley213, Verified Owner from CA, United States Written on June 12, 2026
So far so good. Has some options for the dot. clarity was as good as my trijicon rmr.
Would recommend: Yes
Was it helpful to you? Yes | No

Fantastic Optic

by JB, Verified Owner from WI, United States Written on May 27, 2026
Seamless shipping and great product out of the box!
Would recommend: Yes
Was it helpful to you? Yes | No

Great Product (Holosun 509T)

by Trevor Shaffer, Verified Owner from SC, United States Written on February 11, 2026
Purchased for my Glock 45 and it has done a great job performing at the level I initially thought it would. Highly recommend.
Would recommend: Yes
1 of 1 found the following review helpful.
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Clear glass, bright clean reticle

by Hrpman, Verified Owner from VA, United States Written on January 23, 2026
I bought this to top off a Beretta 1301 and so far I have had no issues after about 300rds, it has held zero perfectly and haven't had any flickering with recoil. The solar failsafe was also a deciding factor for me in making this purchase over an Aimpoint, but so far I do not regret choosing Holosun at all.
Would recommend: Yes
2 of 2 found the following review helpful.
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Great Optic for Subcompact Pistol

by Alex, Verified Owner from TX, United States Written on December 19, 2025
I switched over from the 407k, very noticeable upgrade in sight picture. I like the ease of keeping the enclosed dot clean as well.
Would recommend: Yes
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Great red dot

by Peter, Verified Owner from WA, United States Written on December 16, 2025
The product overall is great. Just wish they would have sent the product with a new set of batteries. The batteries that were included were dead.
Pros:
  • Size
  • Installation
Cons:
  • Dead battery
Best Used for:
  • Glock 19 gen 5
Would recommend: Yes
Was it helpful to you? Yes | No

My first optic!

by Lonnie, Verified Owner from TX, United States Written on December 9, 2025
I decided to buy the Holosun HE509T because it seemed a good way to have an optic that I didn't have to continuously worry about the mechanics inside the framework. The enclosed system seemed a good idea. I do have it mounted and had no trouble finding the red dot when aiming my CZ. Haven't had a chance to actually shoot with it yet, but it should be very soon. I'm thinking I won't have any problems and the optic will work find.
Would recommend: Yes
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Good sight

by anonymous-6, Verified Owner from CO, United States Written on October 25, 2025
Not really a holo-sight enthusiast but this thing is really cool. Small, sturdy, and almost never needs the batteries changed thanks to the solar cell.
Would recommend: Yes
Was it helpful to you? Yes | No
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Last updated 2025-11-12 UTC.