Amazon.com: TOMSIN Metal Buttons for PS4 Controller Gen 1, Aluminum Metal Thumbsticks Analog Grip & Bullet Buttons & D-pad & L1 R1 L2 R2 Triggers (Blue) : Video Games
Replacement Action Bullet Buttons, Thumbs & Home for Playstation PS3 Controller | eBay
Replacement Action Bullet Buttons, Thumbs & Home for Playstation PS3 Controller | eBay
6Pcs Replacement Metal Bullet Buttons Thumbstick Kit for Sony PS4/PS3 Controller - Walmart.com
I needed a used dualshock 3 for my ps3 and found a local guy selling one that has bullets for buttons lol. It seems this was a popular controller mod 10 years