The spotter helps to closely observe the targets and their surroundings. The sniper fires the shots. ... This is so that the sniper can make adjustments to the aim to make the shot more accurate. As well as their long-range rifle, a sniper team is usually armed with a shorter-ranged weapon.

Do Marine snipers use spotters?

One sniper is equipped with a long-range, specially-made sniper rifle, such as the M40; he is also frequently issued an M9 9mm pistol. The spotter is typically armed with an M4 carbine and uses a high-power spotting scope to spot targets and follow-up shots for the shooter.

Why do snipers work in pairs?

When a sniper takes a shot, there are countless variables to consider before squeezing the trigger --- wind speed, wind direction, range, target movement, mirage, light source, temperature, barometric pressure, and that's just the beginning. ... That's why snipers always work in pairs.