According to the Glock company's official story, that's correct. The Glock 7 is a fictional weapon, it doesn't cost as much as John McClane said, and a gun bar

According to the Glock company's official story, that's correct. The Glock 7 is a fictional weapon, it doesn't cost as much as John McClane said, and a gun barrel is still made of metal to deal with the explosive pressure of rapidly expanding gases.