![I picked up a couple of these blue m1 helmets, and I don't know exactly what they are. : r/Militariacollecting I picked up a couple of these blue m1 helmets, and I don't know exactly what they are. : r/Militariacollecting](https://preview.redd.it/i-picked-up-a-couple-of-these-blue-m1-helmets-and-i-dont-v0-7u477piqsbg81.jpg?width=1080&crop=smart&auto=webp&s=798ceeee75f9702958196cb3fce993a6636fb9d6)
I picked up a couple of these blue m1 helmets, and I don't know exactly what they are. : r/Militariacollecting
![New Hot Sale High Quality Universal Portable Military Steel M1 Helmet Tactical Protective Army Equipment Field Green Helmet - Sports Helmets - AliExpress New Hot Sale High Quality Universal Portable Military Steel M1 Helmet Tactical Protective Army Equipment Field Green Helmet - Sports Helmets - AliExpress](https://ae01.alicdn.com/kf/Se946ffdeaa95457d819cfbbb4b8bc14cu.jpg_640x640Q90.jpg_.webp)
New Hot Sale High Quality Universal Portable Military Steel M1 Helmet Tactical Protective Army Equipment Field Green Helmet - Sports Helmets - AliExpress
![WWII US Army Restored Original M1C Airborne Paratrooper Helmet Swivel - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales WWII US Army Restored Original M1C Airborne Paratrooper Helmet Swivel - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales](https://toppots.net/cdn/shop/products/WWII-M1C-Paratrooper-Shell-Captain-1_2048x.jpg?v=1597751963)
WWII US Army Restored Original M1C Airborne Paratrooper Helmet Swivel - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales
![WWII US Army Restored Original M1 Infantry Helmet Swivel Bale Shell an - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales WWII US Army Restored Original M1 Infantry Helmet Swivel Bale Shell an - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales](https://toppots.net/cdn/shop/products/WWII-M1-Helmet-Medic-Pacific-1_2048x.jpg?v=1601356827)
WWII US Army Restored Original M1 Infantry Helmet Swivel Bale Shell an - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales
![WWII US Army Restored Original M1 Infantry Helmet Swivel Bale Shell an - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales WWII US Army Restored Original M1 Infantry Helmet Swivel Bale Shell an - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales](https://toppots.net/cdn/shop/products/WWII-M1-Helmet-Camouflage-Canopy-1_803469cd-1df7-46ac-b8b5-deaa62081c90_2048x.jpg?v=1601435547)
WWII US Army Restored Original M1 Infantry Helmet Swivel Bale Shell an - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales
![Korean War US Army Restored Original M1 Infantry Helmet Swivel Bale Sh - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales Korean War US Army Restored Original M1 Infantry Helmet Swivel Bale Sh - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales](https://toppots.net/cdn/shop/products/M1-Helmet-51st-1_2048x.jpg?v=1597743071)
Korean War US Army Restored Original M1 Infantry Helmet Swivel Bale Sh - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales
![I have 3 questions regarding M1 helmets. 1 what exactly are the Liners made of? How do I date my Pot? And finally what is the date on the pot in the I have 3 questions regarding M1 helmets. 1 what exactly are the Liners made of? How do I date my Pot? And finally what is the date on the pot in the](https://i.redd.it/i-have-3-questions-regarding-m1-helmets-1-what-exactly-are-v0-czko5oujy5va1.jpg?width=4032&format=pjpg&auto=webp&s=1b795f642819479987346b6c014c27a1585b6861)
I have 3 questions regarding M1 helmets. 1 what exactly are the Liners made of? How do I date my Pot? And finally what is the date on the pot in the
![WWII US Army Restored Original M1 Infantry Helmet Swivel Bale Schluete - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales WWII US Army Restored Original M1 Infantry Helmet Swivel Bale Schluete - Top Pots - WWII US M-1 Helmets, Liners and Reproduction Uniform Sales](https://toppots.net/cdn/shop/products/WWII-M1-Schlueter-Helmet-Swivel-Shell-1_2048x.jpg?v=1597744727)