While holding a weapon while attacking a Colossus, increases Additional Weapon ATK. Once shots fired reach a set count, Chain Explosion occurs at the hit location, dealing damage to nearby targets and propagating to the surrounding area. Explosion damage is reduced when it stacks on the same target. Dealing a critical hit adds more to the Fire Count. On a critical hit against a Common Monster/Elite/Tyrant, grants Hunter's Sense to self. When Hunter's Sense reaches maximum stacks, its stacks are reset to 1 and Ricochet occurs on the target hit and nearby targets, dealing damage. On a critical hit against a Tyrant/Commander/Colossus, inflicts Monster Hunter on the target. When dealing a critical hit with this firearm to a target afflicted with Monster Hunter, deals Additional Damage.