When it is feasible to put in this mount without the usage of a Gunsmith, we suggest selecting an expert gunsmith The slim (01) magazine is in-built dependable GLOCK type, it's got an orange magazine follower for bigger visibility which is exclusively formulated to ensure the ten rds journal capability. https://andyyfgfa.rimmablog.com/20218491/considerations-to-know-about-glock-43x-mos-frame