30 Caliber Rifle Cleaning Kit - 11030 Cleaning your 30 Caliber rifle has never been faster or easier. Hoppe's new 1-2-3 Done! cleaning kits contains everything needed to cleanse and protect your 30 caliber rifle in three simple steps. It also includes a bottle of lubricating oil and easy-to-understand photo directions. Swab the barrel, add a few drops of Hoppe's No. 9 Lubricating Oil and the gun is ready for storage. It really is as easy as 1-2-3.