[Vermont Lt]

Not a sniper, so this might seem like a naive question:

One of the men talks about going further that others with a heavier pack. What would they be carrying that would make their load that much heavier than an average load out?

The physical and mental hardships I understand. It was the single comment that piqued my curiosity.

[PeterPrinciple]

One of the men talks about going further that others with a heavier pack. What would they be carrying that would make their load that much heavier than an average load out?

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you have to be self sustaining for a long period of time. Not a lot of support.

[Blood of Tyrants]

Radio equipment, ballistics calculator, food, water, the rifle itself, ammo, perhaps a poncho or covering to be used for shade, maybe a laser targeting device.