Hoppe No. 9, used to buy quart bottles by the case from Bowers, back in the day, still have a couple bottes of the old yellow label.
I kept a 10-inch glass pasta jar with a wired glass lid and rubber gasket filled with No. 9. It holds, a 6-inch bull barreled, K frames, over the forcing cone, with the cylinder in the solution or a couple slides and barrel assemblies. Let them soak overnight and the lead & carbon will fall off. Just kept topping off the jar.
An assortment of different width, wooden handle cheap Boar paint brushes, and Artist brushes work well for oiling hard to reach spots, in place of a Shaving Brush used in the video below, as does a syringe with a long needle or squeeze bottle and plastic straw for.
A No. 9, soaked flannel patch and a Dewey rod and jig, plug the ends with foam earplug and let it soak, followed by, patches of Kroil, Sweets, Ballistol or Simple Green, then patches of No. 9, and dry.
The Dewey rods and jags, are worth the price, and will last a lifetime. Do not use a 3-piece rod or a steel rod, buy a good coated rod.
I cut my patches to size, from thin muslin. It has a bit of tooth to the weave, scrubs well, and is absorbent, follow with patches cut from thin flannel, and oil. A yard of muslin from a fabric store, cut into strips will yield a boat load of patch material. A rotary cutter and straight edge will make quick work of cutting. Cut into 4 inch strips, then to size with cutter or pair of scissors. Store the strips folded in plastic shoe boxes. Or cut to size.
For a quick clean, Boar Snakes work well, also, but a good rod and tight oiled patch will tell you of, any issues in a barrel, you can’t feel the boar with a boar snake.
Brake Cleaner, from Sam’s or Costco or Simple Green to degrease small parts and assemblies, after a toothbrush scrubbing and followed by No. 9 and any good lube. And a Can of compressed air, the pressure is just right for blowing out firearms, (3 pack at Costco).
I too, like Moly grease and Mobil One Synthetic motor oil to lube.
I don’t put a lot of faith in any Wonder Oil, though they all work. Regular maintenance, just like your razors is the key.
Here is a good video on Cleaning the AR. (Cleaning The AR 15" Seminar by Roger Ayscue at Hyatt Guns).
This video combined with an AR schematic will really help you understand the proper dis-assembly, cleaning, and re-assembly procedure and full of great info and tips.