3M # 7100117618 – Peltor Sport Tactical 300 Smart Electronic Hearing Protector, Ear Protection, NRR 24 dB, Ideal for the Range, Shooting and Hunting, TAC300-OTH. Peltor Sport Tactical 300 Electronic Hearing Protector TAC300-OTH – 1EA. WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer.