PICTEK RGB Gaming Mouse, [2019 Upgraded] Wired Mouse Gaming with Fire & Sniper Button, 10 Programmable Buttons, 12000 DPI, Weight Tuning Set, Computer Mouse for Laptop, USB Mouse for Windows PC Gamer - Newegg.com
Logitech G502 Hero Review: The Returning Hero, with a sniper button
Amazon.com: EasySMX V18 Optical Mouse with LED Light Fire/Sniper Button 4 Programmable Button for Laptop PC Computer Game : Video Games
RGB Gaming Mouse,Wired Mouse Gaming with Fire & Sniper Button,10 Programmable Buttons,12000 DPI,Weight Tuning Set,Computer Mouse for Laptop,USB Mouse for Windows PC Gamer - Walmart.com
For people who dislike the sniper button on the G502 - Peripherals - Linus Tech Tips
I removed the "Sniper button" on my G402... : r/MouseReview
PLEASE HELP! Can't configure “sniper” button on g502 to any binds on any games : r/LogitechG
MOTOSPEED V18 Mouse Wired Gaming Mouse 9 Buttons LED Light Fire/Sniper Button for Laptop PC Computer Gamer 4000 DPI Mouse - AliExpress Computer & Office