Holosun 509T on a Glock 17 Gen 5 MOS: return to zero???

Patreon: https://www.patreon.com/BlokeOnTheRange
Teespring: https://teespring.com/stores/bloke-on-the-range-store
Facebook: https://www.facebook.com/Blokeontherange/

Well, the question here is whether a Holosun 509T red dot sight mounted on a Glock 17 Gen 5 MOS will return to zero when removed and replaced… So, will it?

9x19mm
9mm para parabellum

Leave a Reply