I one time saw a man shoot me multiple times with the weapon, yet it did no damage to me. And also you can reflect the projectiles, now if you have a flare, you can get reflected no matter what.
ya you can reflect it but its one of the fastest projectiles in the game, its faster than the cleaver and flares(except the manmelter,both are actually the same speed) and even then the reflect is buggy and doesn't show the projectile come back but the damage still there