CNN Blackfish May 25, 2014 04:19:00
Experts about what i was plan gs to do and they all wished me look. i felt i was working on my own at that time. he remembered using a dental casting material called micro cil in a case where he needed to see tool marks in a piece of metal. so he decided to try some of that by putting it down the barrel of the gun. >> it consists of two parts. a silicone rubber case and a catalyst or hardener. it basically comes in two tubes. when one squeezes a certain amount of rubber material out and a correspondenting amount of rubber out, we injected the cast into the barrel and let it harden. >> it took ...
Source: archive.org