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My new "go to" red dot - Primary Arms Classic Series 21mm Micro Reflex Sight with Autolive, 3 MOA Red Dot

by Jim, Verified Owner from IA, United States Written on May 19, 2026
Review for Primary Arms Classic Series 21mm Micro Reflex Sight with Autolive, 3 MOA Red Dot
Primary Arms Classic Series 21mm Micro Reflex Sight with Autolive, 3 MOA Red Dot
Primary Arms Classic Series 21mm Micro Reflex Sight with Autolive, 3 MOA Red Dot
$172.99 $149.99 Save 13%
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Jim's Review of Primary Arms Classic Series 21mm Micro Reflex Sight with Autolive, 3 MOA Red Dot

Lightweight, tough, and shake awake. Dot gets plenty bright, even on sunny days. What more could you want?
Pros:
  • tough
  • Shake awake
  • Lightweght
Cons:
  • Battery access is on the bottom
Best Used for:
  • range toy
  • Target shooting
  • self / home defence
Would Recommend: Yes
Was it helpful to you? Yes | No
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Last updated 2026-05-20 UTC.