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OH my! You've ruined it...it's not safe to shoot....send it to me. I rescue 1911s. OK, so you're not gullible...

The original 1911's were designed to be stripped with no tools, i.e. parts of the pistol such as the firing pin could be used to drive out other pins, and the three leaf spring could be used as a screwdriver to take out the mag catch. With that said, I don't usually do this.

Depending on which Springfield you have, you could need extra tools to take out a guide rod, but generally, a punch to drift out the mainspring housing pin, and a screwdriver (or Allen wrench) for the grips and the mag catch is all that is needed to completely disassemble the pistol. If you take down the mainspring housing, its best to secure it in a vice or other fixture so you can control the spring and prevent it from launching across the room.

Click the link below for disassembly instructions.
http://www.m1911.org/full_striping.htm