1. Lock back the slide 2. using a punch, tap roll pin out from ejection side 3. lift back of slide straight up and slide forward. Oh, and the roll pin will be visible under the "Safety" notch in the slide.
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The muzzle end of a .45 acp says "Go away" in pretty much every language.
thanks for the info that was really helpful.now i will have no problem cleaning my pistol. if you have any more info on hi-points please let me know.thanks again