Original U.S. 1950s Navy USN Gentex H-4 Flying Helmet with Oxygen Mask and Internal Summer Flight Helmet Antique Long Guns This helps to keep Overalls

This helps to keep Overalls skintight and dashing

Includes a 20rd stick magazine

which indicates it is chambered for the original cartridge designed for the model 1876

The rim of the bell is 5" across and is clearly stamped:

24 centimeters by 7

Original U.S. 1950s Navy USN Gentex H-4 Flying Helmet with Oxygen Mask and Internal Summer Flight Helmet Antique Long Guns This helps to keep OverallsOriginal Items: Only One Available. This is a very nice 1956 1964 USN size LARGE Gentex H 4 helmet that comes with Medium size Type MS 22001 Oxygen Mask and a Large Summer Flying Helmet by General Textiles Inc. Helmet features original gold and green paint with USN USMC Aviator wings to front. All parts are in good condition. This is a very nice display set! The H 4 features a rigid shell with reinforcing ridges and is constructed of a fiberglass