Anyone here into firearms?

phelan

noob question, but do i use grease or oil? i don't intend to shoot really often, so i was leaning towards grease as lubricant. any ideas / tips?

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MacCool

What are you cleaning? Cleaning kits tend to be firearm-specific, pistol vs rifle, bolt vs semi-auto, etc etc.

Firearm lubrication opinions are as controversial and as full of snake oil as automobile lubrication. IMHO, a lot of the same concepts apply. The theoretical problem with grease is that is is more likely to attract and especially hold dirt, sand, and grit than oil and act as an abrasive that will then increase friction and actually wear parts faster than normal. The problem with semi automatic firearms is that there is a lot of heat and pressure on the moving parts. Grease is an attractive option for that reason.

I think there's merit to both arguments but I'm inclined to use oil, not grease and I prefer synthetic preparations. I tend to use Slip 2000 EWL or MachineGunner's Lube, but I agree with Mustang that a good synthetic engine oil is probably every bit as good, and certainly a lot cheaper. When my current bottle of Slip 2000 is empty, I think I'm going to fill it back up with Mobil 1 20w40.