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Discussion in 'Gun Building, Modifications & Repairs' started by bal1, Oct 19, 2012.
What does this pin do.
The pin sticking out from the hop up chamber holds the hop up arm. It makes it able to swivel to adjust the amount of hop applied to the BB.
Archer is correct; no surprises there. Just out of curiosity, why did you want no?
I worry about things like that. I baby my guns.