WARNING: Firearms training is inherently dangerous. Users of BarrelBlok™ assume all risks and liabilities from the use of this product. BarrelBlok™ is not responsible for the unsafe or negligent use of this product. Follow the instructions below for proper insertion of the BarrelBlok™ into your firearm and MagBlok into your magazines. Treat all firearms, including those with BarrelBlok™ installed, as if they were loaded. Keep all firearms pointed in a safe direction at all times.