Model 439
I've had a 9mm model 439 for some 20 years now. I absolutely love this gun. Can someone explain to me if this is an M&P or Sigma. All I see on the gun is Model 439, Serial # starts with A775___ . I'm trying to buy some rear Laser sights for this and I want to get the correct fit on the first try? Also, what generation gun is this from the 39? Any help would be appreciated.
Thanks,
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