Iver Johnson Arms Barrel 6.75in .45acp Threaded No Link/pin

Iver Johnson Arms Barrel 6.75in .45acp Threaded No Link/pin. After a few years of making them he decided he wanted to try something new. So in the spirit of tinkering he decided to try and make a better barrel. He got some great advice from some of the best custom gunsmiths in the business. The new barrels are 4140 though they have a little bit of a lighter twist and that allows them to heat treat much quicker than 4140. They also air tend to hold more heat than barrels made of chromium or made