Umarex Glock 19 Gen 3 / Gen 4 / Gen 5 / HK45 CT Magazine Follower Spring (by VFC)

First party original part Umarex / VFC Glock 19 Gen 3 / Gen 4 Magazine Follower Spring (Part # 03-6) Umarex / VFC HK45 CT Magazine Follower Spring (Part # 04-04) Umarex / VFC Glock 19 Gen 5 MOS Magazine Follower Spring (Part # 04-6)