Greg76 Posted December 27, 2020 Share Posted December 27, 2020 I'm about to buy a used M3, as I absolutely love the stainless look and the option to use it semi or pump. However, I'm a little worried over the fact the current owner decided to drill into the receiver to install a picatinny rail. On one hand, it aesthetically bothers me, on the other hand I worried those holes could have a negative impact on the structural integrity of the receiver(like cracks forming around the drilled holes). I attached a pic of it he sent me. Are my concerns justified? Thanks in advance! P.S: Is it normal receiver and barrel have different serial numbers? Quote Link to comment Share on other sites More sharing options...
M2_shootr Posted December 27, 2020 Share Posted December 27, 2020 The holes won’t be an issue. I would check the inside of the receiver to check for burrs. Plugs can be fitted to the holes to prevent intrusion of debris. I can’t answer the barrel question, but I think they matched, leaving the factory 1 Quote Link to comment Share on other sites More sharing options...
StrangerDanger Posted December 27, 2020 Share Posted December 27, 2020 I don’t believe the barrel serial number ever matches the receivers serials. They’re not even the same serial structure. The receiver holes won’t hurt anything. 1 Quote Link to comment Share on other sites More sharing options...
Greg76 Posted December 27, 2020 Author Share Posted December 27, 2020 Thank you! I'll start negotiating then. Quote Link to comment Share on other sites More sharing options...
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