This is a paid asset, but now you can download Gun & Explosion Sounds Free.
Detail this asset from Unity Store: Original Link
Gun & Explosion Sounds v1.0
“If possible, please buy the package to support the developer”
🚨 This is an updated version of our Explosions, Impacts & Guns Pack. Enjoy the discounted upgrade price for a limited time 🙂
Gun & Explosion Sounds is a highly versatile pack that contains realistic guns, explosions and impacts. It can be used to enrich combat in a variety of genres like FPS, RPG, and Sci-Fi.
🔊 Listen to the preview here
📄 File List
▪ 20 Guns, Including Loops for Automatic Guns
▪ Gun Reloading, Bullet Drops, Ricochet and Whiz
▪ Small, Medium and Big Explosions
▪ Sci-Fi and Special Explosions
▪ Impacts, Rumbles and Debris
and much more!