Glock OEM +2 Baseplate Extension Capacity: Increases the standard 10-round magazine to 12 rounds. Design: Simply replaces the magazine baseplate with an extended version. Purpose: Adds minimal bulk while providing 2 extra rounds. Pros: Simple upgrade with OEM parts, easy installation, no significant change to grip length. Cons: Only adds https://travisjljhd.bloggazzo.com/30266328/glock-43-extended-magazine