Updated: November 12, 2020 Published: October 21, 2020 MIG Welding with a Bernard Q-Gun MIG Gun Contractor Bob Jolson talks about how Bernard’s Q-Gun™ semi-automatic air-cooled MIG gun has increased his productivity and reduced his back pain while welding large diameter pipe. Post navigation Previous: Customer Testimony | Contractor Shares Benefits of Bernard Dura-Flux Self-Shielded Flux-Cored GunNext: Customer Testimony | Flux-Cored Welding with a Bernard Dura-Flux Gun