These are made from the factory release and we have added a extension for those who want a little extra reach so you don't have to shift your grip to drop a magazine. This is extended from the factory release and is suitable for competition use. This is a permantly assembled unit and not intended to be disassembled from the mag release's body. Right and Left handed. This is extended .1" longer than the factory release and is suitable for carry and competition use. *USPSA Production, Limited, and Open approved. .247oz
**Does not include the OEM Spring and the Stop unless you select the add-on option.
**Does not fit the sub-compact grip modules or the .45 grip modules*