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I like mine like that, very smooth and light. If prowling, I'll leave it half cocked/safe until I need to take a shot.
I have not read anything about adjusting it, probably need a gunsmith to do it safely.
The trigger pull on my 22LR little badger is super light; the definition of hair trigger. The 22wmr L.B. I picked up requires a more reasonable amount of trigger pull. I really like them both, but wish the trigger on the 22LR was adjustable.