Remove the
firing pin by pressing against the rear of the firing pin with a punch or other device.
While holding in, slowly lift the firing pin retaining device out of the slide. The
firing pin rests in a spring with some tension, so cover it with your hand and point in a
safe direction so it doesn't fly out and cause injury or become lost. On newer Colt
models 1991A1 (model 80) pistols, there is an extra firing pin stop. On the model 80,
after removing the firing pin retaining device, use a small punch to press down the firing
pin stop (inside the slide) and push in on the firing pin. On these newer guns there
is a tiny spring inside the firing pin block also.
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