you need to clear an obstruction from your firearm. what is the proper tool to use?

The proper tool to clear a barrel obstruction is a firearm cleaning rod. This is the recommended, safe method to remove a blockage from the bore without damaging the firearm, provided the rod is appropriately sized for the specific firearm and used with careful, steady pressure from the breech toward the muzzle. If resistance is encountered or if there is any sign of damage, stop and seek professional assistance from a licensed gunsmith.