The KRISS MagEx2 Kit extends factory Glock 21 magazines from their standard 13-round capacity to 17 rounds without changing the magazine's overall profile or reliability.
Part Type: Magazine Capacity Extension Kit
Compatible Firearms: Glock 21 (.45 ACP)
Capacity: Extends to 17 rounds
Material: Polymer construction
Installation: Drop-In (no gunsmithing required)
Includes: 3 MagEx2 baseplate and follower assemblies
