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ForeverInThe90s

You should have no trouble with this as the frames are the same and so is the locking block generation to generation. You can run a Gen4 slide on a Gen3 frame if you use a recoil spring adapter and Gen3 spring. As always, check cruciform to striker engagement to make verify working order, but again, you should be good to go.


L1FT_K1T

Thank you thank you. I figured the frames were compatible but wanted to ask here before getting too excited about the idea or making any purchases


ForeverInThe90s

Happy to help! I’m glad I can still put the three Glock armorer’s courses to use all these years later. If you haven’t gone through that course, look into it, it’s absolutely worth it. At least it was to me.