Brownell Oxpho-Blue Professional Grade Cold Blue Review January 26, 2019 Quailment No Comments Gun Accessories, Maintenance and Storage Net Contents: 4 FL. OZ More Oxpho-Blue Professional Grade Cold Blue Post navigation previous postUltimate Bore Cleaner for Rifle, Pistol & Shotgun. Available in Wide Range of Sizes Including 9mm 5.56 .22 .223 12GA .308 .45 .50 and Others (Choose Your Caliber) Reviewnext postFrankford Arsenal Walnut Hull Media for Tumbler, Reloading and Shooting Bags Review