Multiattack

The bolt-thrower attacks once with each of its crossbows.

Light Crossbow

Ranged Weapon Attack: +5 to hit, range 80/320 ft., one target. Hit: 7 (1d8 + 3) piercing damage.

Heavy Crossbow

Ranged Weapon Attack: +5 to hit, range 100/400 ft., one target. Hit: 8 (1d10 + 3) piercing damage.