Original U.S. GWOT 40mm x 46 Infrared Round Cutaway - For the 40mm M203 / M79 Grenade Launcher - Inert Display Guns & Parts Sets as he himself recites as

as he himself recites as follows:

after which turning the barrel counter-clockwise unlocks the breech

The crown of the hat also bears a Luzenberg logo

Now this is a lovely example of the H-4 flying helmet by the Gentex Corporation

These could be part of a set

Original U.S. GWOT 40mm x 46 Infrared Round Cutaway - For the 40mm M203 / M79 Grenade Launcher - Inert Display Guns & Parts Sets as he himself recites asOriginal Item: Only One Available. A lovely example of an Infrared Illumination 40mm x 46 Round (Cutaway) as used with the M203, M79, MGL MK1, and HK69A1 grenade launchers. It is marked IR on the top for Infrared. Unloaded or dummy grenades, artillery shell casings, and similar devices, which are cut or drilled in an BATF approved manner so that they cannot be used as ammunition components for destructive devices, are not considered NFA weapons. This