4. Guide the slide assembly onto the frame rails from the
front until the barrel lug is aligned with slide stop pin hole
in frame and partially insert slide stop pin.
- note: depress the ejector “A” to clear slide.*
BE CAREFUL on this part, because if you push the ejector down to far to clear the slide while re-assembling, it will lock in place an only a gunsmith or Sig can get it to release. Don't ask me how I know
