: Use actual spent brass casings if available. If not, small metal objects like heavy bolts, brass plumbing fittings, or AA batteries can mimic the weight and resonance.
: The sound changes drastically based on what it hits. Record on: Concrete : For a sharp, high-frequency "clink". Asphalt : For a slightly rougher, textured impact. Wood : For a hollower, warmer "thud" with a rattle. bullet_fall_sound_effect
: Lower the pitch slightly to give the casing more "weight" (mimicking a larger caliber like a .50 cal) or raise it for smaller handguns. : Use actual spent brass casings if available
If you want to create a unique sound from scratch, you can record foley using household items. small metal objects like heavy bolts