Will a Glock Gen 3 Slide Work on a Gen 4 Frame?

In this video, I will discuss whether or not a .40 caliber Glock Generation 3 slide will work on a Generation 4 frame. The answer is yes, but watch the video for more details! The other question is whether a Gen 4 slide will fit on a Gen 3 frame. The answer is no, but watch my video for more information! Here is also a video I made on my new build featuring the same gun:    • Review of my JagerWerks slide cuts, F...  

Some of you might be wondering you would mount a GEN three slide to a Gen 4 frame. The answer is that some might do so because they might have a spare Gen three slide lying around. Perhaps they find a Gen 3 slide on sale. Maybe they want the ability to swap out slides depending on what the gun is used for. Maybe different divisions within the USPA demand stock slides and others allow modifications. The possibilities and reasons are endless!

As a disclaimer, I am not a gunsmith or Glock armorer. This video does not give professional installation advice. You are responsible for your own weapon.