This is an older model 365x. When looking for a new 365x, search for the newer 12 round variant. On the newer model x you’ll notice two torx headed screws on the top of the sight plate vs having to remove the slide and loosening the two screws from inside of the slide on the older model. You’ll also need to pay attention to which model red dot is compatible with newer variant 360x.
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With this sight you can’t have the rear sight?
This is an older model 365x. When looking for a new 365x, search for the newer 12 round variant. On the newer model x you’ll notice two torx headed screws on the top of the sight plate vs having to remove the slide and loosening the two screws from inside of the slide on the older model. You’ll also need to pay attention to which model red dot is compatible with newer variant 360x.