The 3M Peltor ARC Adapters provide attachments for mounting the headset onto a helmet rail system. The 3M™ PELTOR™ Brand is a respected global leader in hearing protection and communication solutions. With production facilities in several countries, including the US, 3M PELTOR supplies both traditional over-the-ear and innovative in-ear solutions to industry worldwide, as well as elite tactical military teams and law enforcement. The PELTOR brand is built tough for the working professional.