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[Page 74]
Forward Movement Mechanism
Action of Return Spring – When gasses have expended then forces the return spring, unwinds, in doing so it rotates pinion & teeth of pinion being engaged in teeth of rack forces piston rod forward.
Action of Bolt & Ejector – As bolt travels fwd. the top face of bolt striking base of bullet & forces it into chamber & Extractors are sprung over rim of bullets – bolt is fully home. Recess on left of bolt face kicks head of ejector into its housing & ejector being pivoted the tail goes into bolt way ready for next backward movement.
Action of Striker post – S.P. being engaged in rear of cam slot carries bolt fully home & when lugs
Current Status:
Completed