Who has one? I am considering picking one up to put on one of my Gen 4 Glock 19. Are they reliable? Well built?
https://www.primaryarms.com/advantage-arms-glock-17-22-gen4-22lr-conversion-kit-10-round
https://www.primaryarms.com/advantage-arms-glock-17-22-gen4-22lr-conversion-kit-10-round
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