We reckoned that there was a good chance of the tightly folded silk in our parachute packs stopping a small arms round.
Possibly would Danny, there was a programme on recently about WW1 and they were discussing the killing of Archduke Franz Ferdinand, he and his good lady had in their possession an early form of bullet proof jacket that was made of silk, however they were not wearing it, the programme did tests on one built to the exact design and firing the weapon used to kill him, and it did indeed stop the bulet from penetrating.
see
https://www.theguardian.com/artandde...oyal-armouries