Originally Posted by Burien
If they lock the slide to the lower by the locking cut out on the barrel, then a G-29 barrel that is at least 4.60" long "should" fit in a g-20 upper and then lock it all together maybe... When my new g-29 barrel arrives, I will try this out.. fingers crossed...
The barrel lug is very different for the G-20 as compared to the G-29...will not interchange SORRY!
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