For sale: 1 HGU-39 size Extra Large in greytone camouflage with GENTEX MBU-20 mouthpiece with straps no electronics very suitable for trike. GBP 22.50 / Worldwide GBP 35.The item "Gentex Pilot Flight Helmet HGU-39 size Extra Large + GENTEX MBU-20 mouthpiece" is in sale since Monday, February 17, 2020. This item is in the category "Collectables\Militaria\Surplus/ Equipment\Helmets/ Hats". The seller is "amazingyesterday" and is located in Harlingen. This item can be shipped worldwide.