A jag is the tip on a cleaning rod that holds a cloth patch for swabbing the inside of the barrel.
Appropirate sized, rod, patches, jag, solvent.
Any .30 caliber cleaning jag will work- and yes, it is a very common item.
Unloaded
cotton, rod, jag, cleaning solvent.
Use the proper size bore brush, jag, cleaning patches, solvent.
Gun cleaning kits can be purchased online at Amazon, Walmart, and Optics Planet. The price of gun cleaning kits ranges from thirty dollars to over 100 dollars.
Kerosene, Alcohol, pear oil (Amyl Acetate), and ammonia are the main ingredients which are best for gun cleaning purposes.
unloaded.
NO! CLP, yes. CLR is a strong acid that is meant for cleaning toilets and sinks. It will corrode a gun.
Dishwasher
A gun cleaning kit can be purchased from any sportsman related retail outlets that sells firearms and firearm accessories. Retail outlets such as Cabela's, Gander Mountain, and Dick's Sporting Goods sell gun cleaning kits.