3M(TM) Peltor(TM) ComTac ACH ARC Communication Headset specially designed to fit with the Advance Combat Helmet. Based off the field-proven COMTAC II, this new headset offers improvements such as: Increased Battery Life (500 hrs), New Boom Microphone, tactical key pad, improved audio talk-through, and additional water proofing.

Note: This item is built to order and is not returnable other than for defects which are covered by a one year manufacturer's warranty. 

Note: Effective March 5, 2020, this product has been discontinued by the manufacturer 3M corporation and has been replaced by the Comtac V.