Smartflix has a DVD that teaches you how to brake it down,reassembly, and issues discovered with that model. Great stuff and you can rent it. I use them all the time when I have to engrave a gun that I'm not sure about as for braking it down & reassembly.
"Arguing with a Cop is like rolling around in the
mud with a Pig-until you realize the Pig enjoys it!"
G-19 /G-33 / G42
Cert Glock,Sig,H&K,Colt Armorer
Instructor,Basic / Advance / tactical / Dominate shooting skills