A professional who cleans and prepares subassemblies of pistols, rifles, shotguns, and revolvers for bluing. Respnsibilities include:

• Disassembles components, such as barrel and ratchet, trigger and hammer, trigger guard, and back strap.
• Blows out particles remaining after sand blasting, using airhose.
• Places parts in rack or wire basket and immerses parts in degreasing tank to remove oil and dirt.
• Mixes alcohol and whitening powder and rubs resultant paste onto gun parts to facilitate bluing.
• Wires parts together and attaches them to immersing rod.
• Blows excess solution from blued parts with airhose.
• Inspects parts for nicks, scratches, clearness of trademark, and cleanness.
• Reassembles subassemblies, using screwdriver.
• May pour specified amount of chemical solution (acid) into degreasing tanks.