This is the 17 round (15+2) Glock Gen 5 factory 5 magazine for the Gen 5 Glock 19 compact pistol.
It is the standard Glock 19 Gen 5 factory magazine fitted with Glock's +2 base. This magazine is flush fit on the compact format Glock 19, will not fit full frame models.
Updated with a revised red follower, subtle geometry improvements and a more securely locking baseplate.
It does of course feature the standard Glock magazine full length steel inner frame incased in tough polymer with rear facing witness holes for round counting.
Please note: will not fit earlier generation Glocks e.g. Gen 2, Gen 3 and Gen 4.