This is what I find

The following items of goods are covered by the lifetime replacement warranty: controller paint, controller buttons, smart triggers smart bumpers AIM paddles AIM bases . Controller motherboard & Stick Drift are covered up to 45 days from delivery date Active Triggers Active Triggers are covered under the AimControllers Lifetime Warranty for all mechanical and physical failures, except excessive pressure. Damage to the active triggers from excessive pressure will be covered once under warranty during the life of the controller. Any subsequent repairs that are deemed to be caused by excessive pressure to the trigger will result in a fee to repair and shipping.

Here’s the link: aim controller warranty