9MM REAL Bullet Earplugs from Lucky Shot USA! Noise Reducing Earplugs made from genuine 9MM bullet casings and comes with a convenient carrying case to keep your earplugs safe and dust-free. These earplugs have an impressive noise reduction rate of 27, making them your go-to ear protection, and the perfect earplugs to use while shooting at the gun range. Look like a true Gunny and latch Lucky Shot USA&rsquos 9MM Bullet Earplugs to your keyring today!