Rival Ra72G005A Mag Release Ext G42 Black A Bigger Magazine Release Can Make It easier To Drop a Mag When It Is Time For a Reload. A poorly Designed Mag Release Can Get In Your Way And Cause Unintended "New-Guy" drops. That's Why This Mag Release Was Designed With a Comfortable Angle, Easy To Reach With a Slimmer Profile To Reduce Unintended drops. This Mag Release Is Made Of CNC-machined Aluminum With Single Piece Construction For easier Install And Less Maintenance. It Also Includes a New Mag Release Spring.