During sustained firing, any gun barrel is going to get smoking hot. This U.S. Military Spare Barrel Bag easily carries a spare barrel (or similar-sized piece of equipment) even when red smoking hot. FireForce is a long-time manufacturer of military-issue equipment. Each piece they produce is sure to be incredibly tough, made to strict U.S. military specs to meet and overcome challenging real-world conditions. Padded spare barrel bag for M240B/M249 Heat-resistant inner lining with padded insulation Reinforced 1.5" web handles Padded adjustable shoulder strap with metal and plastic hardware Exterior pocket with dual heavy-duty YKK zippers