Once the cover is installed the outer diameter should not exceed 1.75 inches. The cover weighs less than 2 ounces and is rated to 1000 F.
The cover resists the extreme heat generated from the blast diffuser and enable the operator to transition from rifle to pistol confidently without burning their legs, pants, or other gear. Additionally, they eliminate heat mirage seen on precision rifles and any IR emitted in night operations. The Burn Proof Gear covers withstand the most rigorous abuse. They are combat proven, made in the USA, and are lifetime guaranteed.