From the manual:

EXTRACTION AND EJECTION MECHANISM
In the event that snap-action automatic ejection is not desired, remove the forearm and back off on the ejector strut adjustment screw until the ejector spring unit can be removed (see figure 2). The ejector will then function as an extractor only, and the cartridge (or shell) will be partially removed from the chamber by the final downward motion of the lever. If the snap-action mechanism is replaced, do not over-tighten the adjustment screw because this will bind the action"} The force of ejection can be altered to some extent by the adjustment screw.

The owner's manual has a diagram of the action right here but it won't copy to this post.cop










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