OMER as part of the Aqua Lung Group is conducting a voluntary product update of some INVICTUS SPEARGUN parts. Simply bring the Speargun to your nearest authorized OMER / Aqua Lung Dive Retailer or Dive Center. Use our DEALER LOCATOR if you are not sure where your nearest dealer is. They will be able to update your trigger mechanisms for you. The replacement is made under warranty and you will not incur any charges.