Original U.S. Modern F-16 Fighting Falcon Pilot Helmet HGU-55/P with Two Oxygen Masks in Carrying Case Russian Documents Books It has heavy 8 groove

It has heavy 8 groove rifling

Ohio in 1975 and Dettra Flag Co

We do know

Overall Length: 50 3 /4 Inches

As with many Ersatz bayonets

Original U.S. Modern F-16 Fighting Falcon Pilot Helmet HGU-55/P with Two Oxygen Masks in Carrying Case Russian Documents Books It has heavy 8 grooveOriginal Items: Only One Available. Excellent condition genuine late 1990s era U. S. Aviator HGU 55 P flying helmet in size large that comes with earphones, two oxygen masks and tinted bungee visor. This is a very good example offered in a used and worn condition. The interior shell tag reads: 8475 01 446 2438 LS P N 81D5330 8 HELMET HGU 55 P LARGE 1 EACH 3 00 (MARCH 2000) SP0100 00 D 5014 0001 MFR: 97427 The helmet also comes with a spare visor still