For your next firearm restoration, use Birchwood Casey’s Presto Magnum Gun Blue. It will leave your firearm’s receiver and barrel with a deep lustrous blue black finish.
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Birchwood Casey’s Presto Magnum Gun Blue is specially formulated to leave the steel surfaces of your rifle, pistol or shotgun with a deep lustrous blue finish. The cold blue formulation ensures that it can be applied without any need for heat treatment or hot salts. It can be used on all steel surfaces that require a blue finish. (Not suitable for use on stainless steel or aluminium surfaces.)