I repaired my DualSense R2 trigger using springs from an old DualShock : r/playstation
L2 R2 Extended Trigger Pack for PS5 Controller - Black – SupremeGameGear
Thumb Grips Trigger Kit for PS5 DualSense Wireless Controller, EEEkit Anti Slip Silicone Analog Stick Thumb Grips Set with L2 R2 Trigger Extenders for Playstation 5 Controller - Walmart.com
PS5 Dualsense Controller Replacement L2 R2 Motor Metal Handle Spring – kasynparts
Accessories Bundles For PS5 DualSense Playstation 5 Controller Thumb Grip Sticks Joystick + L2 R2 Trigger Extender+D-pad Button - AliExpress
R2 R1 L2 L1 Replacement Trigger Buttons with Springs for PS5 BDM-010 Controller Repair Accessories
R2 and L2 button set DualSense Controller (PlayStation 5) repair - Free guide - SOSav
Amazon.com: Accessories Kit Bundle for PS5 DualSense Controller, 10pcs Spring Trigger + 4pcs Silicone Thumb Grips Joystick Caps + 1pair L2 R2 Trigger Extender for Playstation 5 Controller : Video Games
PS5 Gamepad L2 R2 Trigger Buttons +D-Pad Cover Set Game Accessories Controller Extended Buttons Kit - Walmart.com
PS5: How to Fix DualSense R2 Adaptive Trigger Tutorial! (For Beginners) - YouTube
How to fix the DualSense loose R2 issue and replace the buttons with DualShock 4 buttons - YouTube
DualSense R2 Spring Repair/Replacement (with a proper DualSense spring!) - YouTube
For Playstation-5 Ps5-controller L1-r1 L2-r2 Trigger-buttons Analog Stick Conductive Rubber Repair For Dualsense-gamepad K1kf - Gamepads - AliExpress
Support L2/R2 for Control Of Sony PLAYSTATION 5 PS5 Spare Dualsense Buttons 9434046018575 | eBay
For Playstation 5 L2 R2 Trigger Button Metal Spring Replacement R2 L2 Trigger Buttons For Dualsense 5 Ps5 Ds5 Controller - Accessories - AliExpress
Accessories Trigger Kit for PS5 DualSense Wireless Controller, Anti Slip Silicone Analog Stick Thumb Grips Set with L2 R2 Trigger Extenders for Playstation 5 Controller - Walmart.com