Heat shields are installed on the shotguns to prevent overheating of the barrels of the guns due to the firing of ammunitions. There are various brands of heat shields in the market and one of the most popular and effective brand is the Mossberg heat shield . Basically these heat shields are designed to fit on plain shotgun barrels for the pump action shotguns with models 500 and 590 developed by the brand. Users also should appreciate that Mossberg designs the heat shields for its 12 gauge shotguns only. Mossberg heat shield Installation of Mossberg Heat Shield Heat shields are usually associated with the tactical shotguns that are extensively used by law enforcement authorities as well as defence personnel. Dissipating the heat generated due to firing the heat shield keeps the gun barrel cool. However, the user should ensure that the gun is unloaded when the heat shield is installed on the shotgun. The best way of installing the heat shield is by keeping the barrel of ...