Anyone see this or have experience? It's poly and uses glock mags. $152 and you still need a LPK to complete.
https://www.brownells.com/rifle-par...=Avantlink&utm_content=NA&utm_campaign=Itwine
https://www.brownells.com/rifle-par...=Avantlink&utm_content=NA&utm_campaign=Itwine