the stroke can be longer, just have the last bit of it hit the sear;)
stroke could be adjustable
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the stroke can be longer, just have the last bit of it hit the sear;)
stroke could be adjustable
Two 3mm shafts with keys (flats) in the middle, and heads/flares on one end. Two 3mm collars for the free ends. Two torsion springs.
Two 3mm holes in the rail.
External pump rod channel/guide. Pump rod will need a nub or something to actuate the front collar.