2018-02-28 [☆] https://www.youtube.com/watch?v=O_fWR0DGF-A
(not on Full30?)
polymer80

2018-02-28 [☆] https://www.thehighroad.org/index.php?threads/going-to-build-a-80-glock.832774/
polymer80

2018-02-27 [☆] Polymer 80 Barrel Issue | GlockTalk.com
glock polymer80 guns