The Rival Arms Extended Mag Release is designed with a comfortable angle which makes it easy to reach with a slimmer profile to reduce unintended drops. Includes a mag release spring. *Note does not fit the Glock 21SF Gen3 with ambidextrous mag release.
Specifications:

Type
Model	Magazine Release
Dimensions
Size
Material	Aluminum
Action
Trigger
Safety
Thread Pattern
Finish	Black Anodized
Bolt Type
Hand
Hammer Type
Capacity