This isn’t a preinstalled adapter but a reduce receiver with an built-in folding system. It works with regular stocks, buffer tubes, and everything. Thanks for that critique, I’ve been interested in this. To me it’s much more of the novelty than a useful gizmo. On selected occasions I do carry https://waylonuqtbz.bloggip.com/32878166/rumored-buzz-on-lifecard-22-threaded-barrel