Original U.S. Vietnam War Era Astrocom Helicopter Pilot SPH-4 Helmet - Dated 1978 - Size Regular Scabbards & Sheaths This is a heavily adapted

This is a heavily adapted Model 1918 Mark I Trench Knife which was reconfigured to be both a knuckle duster and a push knife

Crossguard: 4 1/8”

Identifying attributes include a 98/05 style mast bayonet lug ending directly beneath the front sight and winged protective ears to either side of the front sight blade

This example has a very nice set of original smooth wood grips

Original U.S. Vietnam War Era Astrocom Helicopter Pilot SPH-4 Helmet - Dated 1978 - Size Regular Scabbards & Sheaths This is a heavily adaptedOriginal Item: Only One Available. This is a United States Helicopter Flight Helmet type SPH 4 made by Astrocom. The helmet is in overall fair, rough condition with the liner, tinted functional visor, but the mic is entirely gone. The partial original label reads: HELMET, FLYERS REGULAR 8415 00 144 498 DLA100 78 C 104 LOT NO. ASTROCOM Only half of the label is there but from previous examples weve had we know this to have been made by Astrocombe an