It features a CEP with extension and oxygen mask receivers. The crazy thing is: this helmet will work on civilian helicopter coms with the adaptor included!
The item "RARE HGU-56 MV-22 Pilot Flight Helmet for Tilt-Rotor & Helicopter" is in sale since Saturday, August 24, 2019. This item is in the category "Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Hats & Helmets". The seller is "csardude" and is located in Victor, Idaho.
This item can be shipped worldwide.