advantage arms conversion

Advantage Arms Glock 17/22 size 22lr magazines - BNIB PM only for communication please. First one to post "I'll take it" in this thread gets the item. I have this cross posted and the same rule applies everywhere. Asking questions will not cause me to hold this item for you. See above. Payment...

I'm looking for a working conversion kit for the Gen 4 G21. Please send me any offers you got. Thanks!