Martial Advantage. Once per turn, the Sniper can deal an extra 10 (3d6) damage to a creature it hits with a weapon attack if that creature is within 5 feet of an ally of the Sniper that isn't incapacitated.

Volly. If the Sniper readies his action to fire directly after one of it's allies at the same target as it's ally, it can apply it's Martial Advantage trait.

Archery. The Sniper gains a +2 bonus to any ranged weapon attack.

Sharpshooter. Attacking at long range does not impose disadvantage on the Sniper's ranged weapon attack rolls. Additionally, before the Sniper makes an attack with a ranged weapon, it can choose to take a -5 penalty to the attack roll. If the attack hits, it adds +10 to the attack's damage.

Shortsword. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 7 (1d6 + 4) piercing damage.

Longbow. Ranged Weapon Attack: +8 to hit, range 600 ft., one target. Hit: 8 (1d8 + 4) piercing damage.