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i only clean mine when they look real dirty with powder fowling and dirt. the only thing i do to clean the trigger group is hose it down with WD40 and dry it with and air compressor. you have to take the trigger group out first, it only takes 5 minutes to clean that way.
Easy to pull apart and put back. All depends on how you use the gun. If you carry it in long grass, dry, dusty, wet conditons or just shot it at the range you will find everything from leaves, pine needles to unburnt powder, etc in there.