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Primary Arms Classic Series 21mm Micro Reflex Sight with Autolive, 3 MOA Red Dot
$172.99 $149.99 Save 13%
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Most Helpful Positive Review Great Value
I purchased this to use on my moms Equalizer and so far, it has performed well with 100+ rounds through it at the range. The glass is clear and the dot is bright enough for her to see and shoot well. My only complaint is the need for a tiny allen key to make the elevation and windage adjustments, wh...
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Most Helpful Negative Review Primary Arms red dot
Sight wouldn't adjust elevation at all, sight would turn on and off just racking the slide. Looked like it had been opened previously to my delivery. Guessing it was a return already.
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solid red dot

by Andrew Wheeler, from KY, United States Written on November 14, 2025
Looks awesome on my 43x and holds zero very well. Turret adjustments are a pain in the butt since it uses a particularly small Allen wrench. Only issue I've had with it is the seemingly random deactivation and lack of shake awake capability.
Pros:
  • Looks great
  • solid construction
  • Crisp Dot
  • nice viewing window
Cons:
  • No shake awake
  • turret adjustment screws
Best Used for:
  • anything you need a low profile, simple pistol dot for a reasonable price
Would recommend: Yes
Was it helpful to you? Yes | No

DOT was DOA

by Ed, Verified Owner from MI, United States Written on April 16, 2025
Red dot was faulty upon arrival. Took out of box and removed protective back plate, turned on per instructions and dot was visible in window. Once mounted to the pistol slide the dot was gone and could not turn back on. Removed from slide and dot was visible again. Any downward pressure on dot and it would flicker and disappear even without the mounting screws installed. I tried a new battery with the same results.
Pros:
  • None
Cons:
  • defective
Best Used for:
  • A lesson in futility
Would recommend: No
2 of 2 found the following review helpful.
Was it helpful to you? Yes | No
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