What is the weight of the M2 Browning gun alone?

The weight of the M2 Browning gun, when considered by itself without any additional equipment or support, is indeed 84 pounds. This heavy machine gun, which fires .50 caliber ammunition, has a robust design and is intended for use in various military applications, often mounted on vehicles or fixed emplacements. The considerable weight contributes to its stability and effectiveness during sustained fire, making it a formidable weapon system in the arsenal. The other options provided do not reflect the actual weight specifications of the M2 Browning, which confirms the choice of 84 lbs as the correct answer.