The Tetra®Gun Action Blaster™ II is a synthetic-safe spray that effectively cleans gunmetal surfaces. Action Blaster™ II is a non-residue cleaner degreaser that blasts away fouling. The propellant and solvent evaporate after use. Tetra®Gun Action Blaster™ II is available now in 10 oz. cans, with an MSRP of $11.99.