Bore Tech C4 Carbon Remover (118 ml / 4 oz)

A carbon cleaner that loosens and lifts heavy carbon fouling using a blend of surfactants, and neutralises the corrosive residue left by surplus ammunition and black powder. Use it on barrels, throats, chambers, AR bolts and carriers, muzzle devices, revolver cylinders and gas pistons. Bore Tech rates it barrel safe, ammonia free, odour free, biodegradable, non-hazardous and non-flammable.